how does the heart beat

Answers

Answer 1
Your heart has a special electrical system called the cardiac conduction system. This system controls the rate and rhythm of the heartbeat. With each heartbeat, an electrical signal travels from the top of the heart to the bottom. As the signal travels, it causes the heart to contract and pump blood.
Answer 2

Answer: Heart bests work by the cardiac conduction system which sends signals to the heart to start beating.

Explanation:

it's proven that the cardiac conduction send signals to make the heart beat there for pumping blood


Related Questions

select the correctly ordered list of psychological theorists

Answers

Answer:

Sigmund FreudCarl JungB.F. SkinnerAbraham MaslowErik Erikson

Please note that this is just a sample of psychological theorists and there are many more. Also, the order of importance or influence of these theorists may vary depending on perspective, field of study, or research.

Explanation:

Who and/or what is protected by lab safety protocols?
(Check all that apply)
a. Students doing lab activities
b. Lab instructors and technical assistants.
c. Anyone who walks into the lab.
d. The physical lab space and the equipment housed within the lab.

Answers

The following are protected by lab safety protocols:

-students doing lab activities

-lab instructors and technical assistants

-anyone who walks into the lab

-the physical lab space and the equipment housed within the lab

Many laboratories are dangerous, and preventing laboratory catastrophes requires extraordinary vigilance and constant supervision. High voltages, high and low pressures and temperatures, corrosive and poisonous chemicals and chemical vapours, radiation, fire, explosions, and biohazards such as infective organisms and their poisons are examples of risk factors.

Safety training and the implementation of laboratory safety regulations, a safety evaluation of experimental designs, the use of personal protective equipment, and the employment of the buddy system for particularly dangerous tasks are all measures to prevent against laboratory mishaps. Laboratories are governed by health and safety laws in several nations. In rare situations, laboratory operations can potentially pose environmental health concerns, such as the unintentional or deliberate release of harmful or infectious material into the environment.

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How does 1 of these characteristics affect at least 3 other health choices related to your physical, social or spiritual health?​

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Biological and genetic, environmental, and behavioural factors are the three major categories into which the elements that influence a person's health and welfare can be grouped.

What are 3 factors that affect health and wellness?When considering how to enhance their health, the majority of people typically first consider bettering their diet and increasing their level of fitness.Cornerstones of our health and wellness are regular exercise and a balanced diet. There are other factors that affect our health besides food and exercise, though. Food and exercise alone may not have as much of an impact on a person's health and wellbeing as other variables, some of which they have no control over.While some nutrition and fitness coaches may naturally be focused on helping clients create lifestyle habits that will improve their sense of wellbeing, it is crucial to be aware of the numerous elements that influence a person's health and wellness that are unrelated to lifestyle choices.The internal and external elements that can be affecting your client's health and wellbeing are described to you in this article. Additionally, you will learn about objective and subjective health metrics and how they can be used in conjunction with one another to help you comprehend someone's current state of health.

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Briefly summarize the events surrounding the Jehovah's Witness Blood Transfusion Case.​

Answers

Answer:

The "Jehovah's Witness Blood Transfusion Case" refers to a series of legal cases involving members of the Jehovah's Witnesses religious group who refuse blood transfusions on religious grounds. The refusal of blood transfusions on religious grounds can lead to conflicts between the medical community and Jehovah's Witnesses patients, as well as legal disputes over the rights of parents to make medical decisions for their children, and the rights of patients to refuse medical treatment.

In the United States, these cases have typically involved disputes over whether a court can order a blood transfusion for a child or incompetent adult against the wishes of the patient or their parent or guardian. In many cases, courts have ruled that the state has a compelling interest in preserving life, and that the benefits of a blood transfusion outweigh the religious beliefs of the patient or their parent or guardian.

In some cases, the courts have also recognized that there are alternatives to blood transfusions that can be used in treatment such as cell salvage, bloodless surgery techniques, etc. This can be used as an argument to respect the patient's or parents religious beliefs.

In conclusion, Jehovah's Witnesses Blood Transfusion Case is a legal dispute over the right of patients or parents to refuse blood transfusions on religious grounds, which has led to conflicts between the medical community and Jehovah's Witnesses patients, as well as legal disputes over the rights of parents to make medical decisions for their children, and the rights of patients to refuse medical treatment.

Smaller brain size, less efficient processing skills and impaired stress responses are all affects on the brain after being exposed to _____________.

options:

Trauma


Early adolescence


self-discipline


Positive Events

Answers

Answer: any type of trauma

Arrange the cognitive developments in sequence from birth onwards.
separation anxiety
relying on reflexes
faking emotions
learning to babble

Answers

The Arrangement of the cognitive developments in sequence from birth onwards are:

relying on reflexeslearning to babblefaking emotionsseparation anxiety

What are the cognitive developments?

Relying on reflexes: At birth, infants rely on reflexes such as grasping and sucking to interact with the world around them.

Learning to babble: Around 4-7 months of age, infants begin to make sounds that are not yet recognizable as words, known as babbling.

Faking emotions: Around 9-12 months of age, infants begin to understand and respond to basic emotions and may begin to fake emotions in order to get what they want.

Separation anxiety: Around 8-18 months of age, infants begin to experience separation anxiety, which is a fear of being separated from a primary caregiver. This is a normal stage of development as the child begins to understand that people and objects exist independently.

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the breakdown of glucose in the presence of oxygen to produce atp is known as

Answers

The breakdown of glucose in the presence of oxygen to form ATP is known as cellular respiration. It is an aerobic metabolic process that takes place in the mitochondria of cells.

During cellular respiration, glucose is broken down into smaller molecules such as carbon dioxide and water. Cellular respiration is essential to life because it produces the energy needed to power many of the body's vital functions. It is a metabolic pathway that involves many steps, including glycolysis, the Krebs cycle, and the electron transport chain. In the first step, glycolysis, glucose is broken down into pyruvate molecules, which are then used to produce ATP. The end result of cellular respiration is the production of ATP molecules, which the cell can use for energy.

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PLEASE HELP
This gas is carried by the blood and provides energy to the cells in our body.

Question 2 options:

Heart Rate


Oxygen


Calories


None of the above

Answers

It’s oxygen I believe
The answer is oxygen

how might sports teams benefit from emotional contagion?

Answers

When the team spirit is optimistic, positive, and enthusiastic, it influences the mood of the individual players. As a result, sports teams may benefit from emotional contagion.

Emotional contagion is a type of social contagion characterized by the unintentional spread of emotions & related actions.  Such emotional convergence can occur between individuals or in bigger groups. Emotions may be conveyed between people in a variety of ways, both implicitly and explicitly. Emotional contagion happens when one person's feelings and related actions cause others to experience comparable emotions and behaviour.

Awareness of emotional contagion is essential for controlling our own emotions & related actions, as well as ensuring our own and others' well-being. Emotions may have a substantial influence on performance by altering physiological & attentional states in ways that either improve or degrade an athlete's abilities. Individual Zones of Optimal Performance exist for athletes. As a result, particular emotions at different intensities will impact performance.

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how long after starting antibiotics are you no longer contagious with strep throat?

Answers

People with strep throat should avoid going to work, school, or childcare until their fever has subsided and they have taken antibiotics for at least 12 hours.

Antibiotics are antimicrobial chemicals that kill bacteria. Antibiotic drugs are widely utilised in the treatment and prevention of bacterial infections since they are the most significant form of antibacterial agent. They have the ability to either kill or inhibit bacterial growth. A small proportion of antibiotics have antiprotozoal action.

Antibiotics are ineffective against viruses such as the common cold or influenza; instead of antibiotics, medications that decrease virus development are referred to as antiviral drugs or antivirals. They are also ineffective against fungi; antifungal medicines are those that hinder the growth of fungus. Antibiotics are used to treat or prevent bacterial infections, as well as protozoan infections in some cases.

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What occurs when communication between the central nervous system and peripheral nervous system are interrupted? ​

Answers

The peripheral nervous system encompasses the somatic and autonomic nervous systems as well as any nerve cells in the body that are not part of the central nervous system.

The brain and spinal cord are part of the central nervous system (CNS), whereas all of the nerves that branch from the brain and spinal cord & extend to other regions of the body, including muscles and organs, are part of the peripheral nervous system. The primary purpose of the PNS is to link the CNS to a organs, limbs, & skin. The PNS nerves stretch from the central nervous system to the extremities of the body.

The peripheral system permits the brain and spinal cord to receive and transfer information to different parts of the body, allowing us to respond to stimuli in our surroundings. The peripheral nervous system is made up of nerves and ganglia that are located outside of the brain and spinal cord. Peripheral nerves, neuromuscular junctions, cranial nerves, & spinal nerves are all part of the PNS. This system also sends and receives information from the central nervous system.

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the concept of demands and capacity

Answers

Answer:

How much demand can there be? Demand capacity is a ratio that assesses how well a business can meet the demand for its products or services. To make sure they're maintaining capacity levels that can match the demand for their products, manufacturing companies measure demand capacity.

Explanation:

what does improving flexibility help you decrease the chances of?

Answers

Answer: it helps decrease the chance of injury

Explanation:

What’s an example of denial in the movie we are Marshall

Answers

Answer:

KGF CHAPTER 2

Explanation:

CONDO KHALAS MUGI

Hasan knows he eats too much junk food. He wants to be healthier. Which would be the most balanced way for Hasan to make the change he desires?


Throw away all the junk food in the house.


Shock his system by going on a juice cleanse.


Start on a strict diet of only chicken and vegetables.


Try to eat at least three servings of veggies a day.

Answers

I would choose A or D because B and C are too restrictive diets and A and D are the healthiest options.

What is diet?

Diet is the total amount of food consumed by a person or other organism in nutrition. The term diet frequently refers to the use of a specific nutritional intake for health or weight-management purposes (with the two often being related). A balanced diet is one that gets at least 50% of its energy from carbs, 35% from fat, and 15% from protein. The precise optimal amounts of each nutrient will vary depending on age, gender, and activity level. A healthy diet should include the following foods: Fruits and vegetables, legumes (such as lentils and beans), nuts, and whole grains are all good sources of fiber (e.g. unprocessed maize, millet, oats, wheat and brown rice). A minimum of 400 g (five servings) of fruit and vegetables per day (2), excluding potatoes, sweet potatoes, cassava, and other starchy roots.

Here,

Because B and C are too restrictive diets, and A and D are the healthiest options, I would choose A or D.

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how do you know when your transmission is slipping

Answers

Engine revs or chugs.
Slow, weak or delayed acceleration.
Difficulty shifting gears or hard shifting.
Grinding, whining or other strange noises.
Won't go in reverse.
Burned or strange smells.
Check engine light.

Explain the process involved in securing intervention services for a child who you suspect may have a significant hearing impairment.

Answers

Cochlear implant surgery is the process involved in securing intervention services for a child who you suspect may have a significant hearing impairment.

With the aid of cochlear implant surgery, children with severe to profound hearing loss can begin receiving treatment as early as eight months of age. With this procedure, the youngster might receive aural rehabilitation and improve their speech and hearing. This makes it possible for the youngster to enrol in a regular school and have a normal life.

Every age group is impacted by hearing impairment, which has many diverse causes. If a person's hearing abilities fall below those of someone with normal hearing, which is defined as having hearing thresholds of 20 dB or higher in both ears, they are said to have hearing loss. It can affect one or both ears, be mild, moderate, fairly severe, severe, or profound.

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a key nutrient that builds strong bones and teeth

Answers

Answer:

Calcium is a key nutrient that helps to build strong bones and teeth. It is essential for the normal growth and development of bones and teeth, and plays a role in maintaining their strength and density. Adequate intake of calcium throughout life, as part of a well-balanced diet, can help to prevent osteoporosis and other bone-related conditions in later life. The recommended daily intake of calcium for adults is 1000-1300mg depending on age and gender.

It’s calcium, because it gives your body lots of vitamins! Calcium even supports bone heath and keeps your body strong and healthy. Foods and drinks like: Milk, cheese, and more can keep your body supported for better health.

Hasan knows he eats too much junk food. He wants to be healthier. Which would be the most balanced way for Hasan to make the change he desires?


Throw away all the junk food in the house.


Shock his system by going on a juice cleanse.


Start on a strict diet of only chicken and vegetables.


Try to eat at least three servings of veggies a day.
HELP ASAP

Answers

The option that would be the most balanced way for Hasan to make the change he desires is option D: Try to eat at least three servings of veggies a day.

What is the healthier diet about?

Making drastic changes to one's diet can be difficult to maintain in the long term, and going cold turkey on junk food or starting a strict diet can lead to feelings of deprivation and a lack of balance. Instead, incorporating small, manageable changes into a daily routine is a more sustainable approach.

Therefore, Eating at least three servings of vegetables a day is a balanced way to start making changes towards a healthier diet. It adds important nutrients and fiber to the diet while also reducing the consumption of junk food.

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Using nonverbal communication is required if

A-the patient is an infant.

B-the patient does not see well.

C-the patient has difficulty reading.

D-the patient does not speak the language.

Answers

Answer:

Using nonverbal communication is required if:

D) the patient does not speak the language.

If a patient does not speak the same language as the doctor or whom ever is caring for them, then they will have to result in a nonverbal communication source.

Explanation:

Hope it helps! =D

D! So you can still communicate

Is it scientifically possible to reverse aging?

Answers

Answer: Researchers have reversed aging in human skin cells by 30 years, according to a new study.

Explanation: Scientists say they have developed a method to time jump human skin cells by three decades - longer than previous reprogramming methods, rewinding the aging clock without the cells losing their function.

what type of observational research studies a large group of individuals in a specific population, which may assist in identifying nutrition and exercise patterns in the population?

Answers

Epidemiological studies type of observational research studies a large group of individuals in a specific population, which may assist in identifying nutrition and exercise patterns in the population.

Where feasible, epidemiological studies seek to uncover impartial correlations between exposures such as alcohol or smoking, biological agents, stress, or chemicals and death or morbidity. An essential part of epidemiology is the discovery of causal links between these exposures and outcomes.

Epidemiologic studies serve as the cornerstone for illness control and prevention by tracking disease prevalence, defining disease natural history, and finding disease determinants or causes. It identifies illness risk factors and targets for preventive medication. The word epidemiology is increasingly frequently used to describe and explain not just epidemic and infectious illness, but disease in general, including associated diseases. High blood pressure, mental disease, and obesity are some of the problems studied by epidemiology.

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Can someone help me plss

Answers

A list of two US Scholarships and their necessary information is given below:

The Fulbright Scholarship Program: This program provides funding for graduate students, young professionals, and artists to conduct research, study, or teach abroad. Eligible applicants must be US citizens, have a bachelor's degree or equivalent, and meet the specific criteria for the country and field of study they are applying for. The application process typically includes submitting transcripts, essays, letters of recommendation, and other materials.

What is the Rhodes Scholarship?

The Rhodes Scholarship: This program provides funding for graduate study at the University of Oxford in the United Kingdom. Eligible applicants must be US citizens, between the ages of 18 and 24, and have a bachelor's degree or equivalent. The application process includes submitting transcripts, essays, letters of recommendation, and an interview with a selection committee.

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In the Exotic Dancer Case, is it ever right to take away someone's autonomy? Explain.​

Answers

Answer:

No, it is never right to take away someone's autonomy. Autonomy is the right to make decisions and act freely without the interference of others. Taking away someone's autonomy is a form of oppression and can have a long-term negative impact on an individual's mental and physical health.

which characteristic of the patient with a mental health concern poses a challenge for the nurse while collecting assessment data?
a. The plan shifts focus to prevention and health-promotion efforts.
As an acute situation resolves, the plan of care can shift focus to prevention and health-promotion strategies, with the goal being that the acute concern does not recur.
b. The patient will often not admit to experiencing a problem. An aspect of psychiatric illness can often be the patient's inability to see their own symptoms or disease. Therefore it can be challenging for the nurse to collect meaningful historical assessment data.
c. Use of the tool ensures that all important aspects of patient data are accounted for.Repeated use of a standardized mnemonic helps the nurse consistently collect the most pertinent aspects of patient data at each encounter.
d. A significant decrease in the patient's depression score is a measurable evaluation of progress toward her goal of reducing depressive symptoms and improving her quality of life.

Answers

The patient will often not admit to experiencing a problem. An aspect of psychiatric illness can often be the patient's inability to see their own symptoms or disease. Therefore it can be challenging for the nurse to collect meaningful historical assessment data.

Mental health nursing, often known as psychiatric nursing, is a specialist branch of nursing practise that entails caring for people who have a mental health issue in order to help them recover and enhance their quality of life. Mental health nurses, often known as psychiatric nurses, are nursing professionals that provide care to patients suffering from mental health illnesses.

Mental illness, often known as mental health disorders, refers to a wide spectrum of mental health issues characterised by disturbances in mood, thought, and behaviour. Depression, anxiety disorders, schizophrenia, eating disorders, and addictive behaviours are all examples of mental illnesses. Childhood abuse, trauma, or neglect, for example, might all contribute to a time of poor mental health. Loneliness or social isolation. enduring prejudice and stigma, particularly racism.

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what is cardiac dysfunction and arteriosclerotic cardiovascular disease

Answers

Answer:

Atherosclerosis

Also called: atherosclerotic cardiovascular disease is the build-up of fats and other substances in and on the artery walls causing a barrier to blood

I think Cardiac dysfunction is a heart disease and that's a  type of disease that affects the heart or blood vessels.

Explanation:

Hope I helped :)

how many years of college to be a nurse practitioner?

Answers

Nurse practitioners are required to have either a master’s or a doctoral degree in nursing. As a result, it usually takes six to eight years of schooling to become a nurse practitioner.

To become a nurse practitioner, you first must get a bachelors degree (4 years). Then, you must become a registered nurse (1-2 years). Then, you must get your graduate degree in nursing (2-3 years)

I hope this helps!!

11. Which statement is true about protecting your skin from sun exposure?
O A. Choose a broad-spectrum sunscreen that's SPF 15 or higher.
O B. Reapply your sunscreen every four hours.
O C. You don't need to wear sunscreen on a cloudy day.
O D. UV tanning beds are safe to use.

Answers

I think C. You don’t need to sunscreen on a cloudy day?
I hope this helps all<3

An eating disorder is an illness in which people
Group of answer choices?

A)cannot absorb nutrients in the small intestine.

B)produce too much stomach acid, leading to extreme discomfort.

C)cannot digest their food properly.

D)feel compelled to eat in a way that causes harm.

Answers

Answer: C

Explanation: Any of a range of mental conditions in which there is a persistent disturbance of eating behaviour and impairment of physical or mental health.

ITS C ITS C OMG ITS C YES C OMG C YES SHUBBY

If Mr. Wilson includes a benefit increase option in his long-term care insurance policy, then

Answers

If Mr. Wilson includes a benefit increase option in his long-term care insurance policy, then When she is in a nursing home and the insurer has begun paying benefits.

The insurance policy is a contract between the insurer and the policyholder that specifies the claims that the insurer is legally compelled to pay. The insurer offers to pay for damage caused by risks covered by the policy wording in exchange for an initial payment known as the premium.

Long-term care insurance is a type of insurance marketed in the United States, the United Kingdom, and Canada that helps pay for the costs of long-term care. Long-term care insurance covers services that are not often covered by health insurance, Medicare, or Medicaid.

Individuals who require long-term care are usually not sick in the traditional sense, but they are unable to perform two of the six activities of daily living, such as dressing, bathing, toileting, continence, transferring (getting in and out of a bed or chair), and walking.

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this individual invented a large clock that could record time to 1/2000th of a second in order to aid in his motion studies. The solution to an inequality is graphed on the numberline.-5-4-3 -2 -1 0 1 2 3 4 5What is another way to represent this solution set?Oxx4.5)Ox|x24.5} How does the public view businesses in the post-trust era? A. As gaining trust in the public realm for their leaders B. As working against the best interests of the public C. As focusing on their employees over profitability D. As delivering quality products in response to customer loyalty Fill-in-the-blank with GUSTA or GUSTAN.A Pablo no lelos tomates.O gustaO gustan Use the periodic to fill in the numbers in the electron configurations shown below.B: 1s2 2sA2pBA = 2B = 1Na: 1s22sC2pD3sEC = D = E = Sue had a stroke last year. She finds it increasingly frustrating to try to move about in her garden and has decided that continuing to garden is not worth the effort. Sue is engaging in:a. Elective selectionb. Loss-based selectionc. Compensationd. Optimization Trey is having a party. He'll have 2 tables for every 10 guests.Complete the table below showing the number of tables and the number of guests. number of guests: (10) (15) (25) _ (50) number of tables: (2)( _) (_) (7) (_) Which characteristic will not necessarily classify a substance as a pollutant according to the Environmental Protection Agency?It is harmful to human health.It offends the senses of sight, taste, or smell.It is man-made and does not occur naturally in the environment.It degrades environmental quality. 1. A student is sitting on the edge of a swimming pool. The student repeatedly dips his foot in and out of the pool, making waves that move across the water. The student dips his foot slowly at first and then does it faster, each time to the same depth. Which of the following properties of the waves increases as the student dips his foot faster?A. frequencyB. periodC. velocityD. wavelength kentax corporation makes industrial cleaning products and decides to enter the international marketing arena by marketing its products to china, japan, and south korea, with separate marketing strategies for each country. which of the following approaches is most likely used by kentax corporation to formulate its international policies and strategies? group of answer choices Can someone help me find the missing angle measurements? the best accelerating digital transformation for small enterprise tapchiai.net Choose the correct statement(s) on how cells regulate their sensitivity to circulating hormones. Check all that supply. Receptor-hormone interactions are similar to the enzyme-substrate interactions. Receptors chemical change their ligands. A receptor for onehormone will not bind other hormones When all the receptor molecules are occupied by hormone molecules, adding more hormone cannot produce any greater effect. Receptors do not exhibit enzyme-like specificity and saturation. I need help in this problem In regards to preschool education, the United States prioritizes ____, whereas Japan prioritizes ____.academic skills; social skillssocial skills; academic skillscooperative play; parallel playparallel play; cooperative play which food provides the most energy per gram? a. a glass of wine b. a soft drink c. an apple d. skinless chicken breast herzberg theorized that there are two types of factors that are responsible for our satisfaction or our dissatisfaction at work. these are known as motivating factors and hygiene factors. this activity is important because employee engagement is declining in developed countries across the globe, and managers should be aware of the factors that can keep employees feeling satisfied and engaged at work. the goal of this activity is to challenge your knowledge of herzberg's two factor theory. within the nova microbe tutorial, which of the following is not one of the essential ingredients of life: In the figure the boundary of the shaded region consists of four semicircular arcs, the smallest two being equal. If the diameter of the largest is 14 cm and of the smallest is 3.5 cm, find1 . The length of the boundary2 . The area of the shaded region an online company sells and ships T-shirts. The company has to pay extra to ship a package that weighs over 13 oz. Before putting any T-shirts in the box, the package weighs 1.5 oz. Each shirt weighs 5 oz. Which number line best represents the possible number of shirts the company can ship in a package without playing extra for shipping?