Your heart is a muscle about the size of your fist. Compare it to other muscles. Can you control it like you do the muscles in your arms or legs? Can you exercise it like you do other muscles? ( One Paragraph)

Answers

Answer 1

Answer:

The heart muscle, or myocardium, has shorter and thicker fibers —capable of generating action potential— compared to skeletal muscle, both of which are different from visceral smooth muscle. It is an involuntary muscle and cannot be exercised like the striated muscle of the limbs.

Explanation:

The heart muscle is called the myocardium and is made up of specialized cells called cardiomyocytes. It is a muscle with a striated appearance, like skeletal muscle, but with a different structure and function:

The muscle fibers of the myocardium are shorter and thicker.The cardiomyocyte can generate action potentials, on which cardiac automatism is based.They form one single organ, the heart, whose function is to pump blood, while the skeletal muscle forms several different types of muscles.The heart muscle is involuntary, and its activation depends on the autonomic nervous system and cardiac automatism.

Both types of muscle are different from the visceral smooth muscle.

Can the heart muscle be controlled like other muscles?

No, the cardiac muscle is involuntary and with automatic activity, regulated by the sympathetic and parasympathetic nervous system.

Can the heart muscle be exercised like other muscles?

No, the heart muscle develops its activity without the need to be exercised. However, its fibers can hypertrophy and increase with the effort of its pumping activity, as happens in high blood pressure. This is not a good thing and is linked to cardiovascular disease.


Related Questions

A 65 year old man enters the hospital with high blood pressure, damaged lungs, low blood-oxygen concentration, and throat cancer. What are all of these symptoms associated with ?

Answers

Answer:

He was probably a heavey smoker. because smoking can cause high blood presure and it also damages your lungs. Plus smoking also can cause throat cancer. So I would go with smoking.

Explanation:

I hope this helps!!!!

Explanation:

He might be a 1 year smoker,damaged lungs and throat cancer are both signs of smoking for a very long time, for imparticular, 1 year. Low blood-oxygen is also another sign,because of the smoke.

Physically active people have a significantly lower risk of _______ cancer than do inactive people.

Answers

Answer:

BREAST is the answer in the question

Exercise equipment compensates for acting irresponsibly and disregarding the rules of a physical activity. Please select the best answer from the choices provided. T F Mark this and return

Answers

Answer:

wheres the choices

Explanation:

Answer:

The answer is FALSE!

Explanation:

defined as a condition in which an individaul has enough energy to avoid fatigue and enjoy life

Answers

Answer:

Fitness is defined as a condition in which an individual has enough energy to avoid fatigue and enjoy life.

Explanation:

Analyze the role of individual responsibility for enhancing health.

Answers

Explanation:

Everyone should take the best care of themselves and live the healthy life. After that, many of them people around that person can get the influence from that and they can start living a healthy life too.

It is important for those type of persons to spread awarness and influence others about health's importance in our world.

Why are vitamins called protective food? ​

Answers

Vegetables and fruit are called protective foods. Our body requires Vitamins and Minerals for various vital processes of life and for formation of blood, bones and teeth. These VITAMINS & MINERALS though needed in small quantities are very important for regulating various bodily function.

Answer:

VEGETABLES & FRUITS are called protective foods. Our body requires Vitamins and Minerals for various vital processes of life and for formation of blood, bones and teeth. These VITAMINS & MINERALS though needed in small quantities are very important for regulating various bodily functions.

Explanation:

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Which of the following is a warning sign that you need to seek help for a mental health problem?
ОА.
You feel as if your life is out of control.
OB.
You can't concentrate.
Oc.
You have an overwhelming fear of the world.
OD
Any of the above that persists for days or weeks and disrupts normal living.

Answers

OD
Any of the above that persists for dats or weeks and disrupts normal living

Answer:

D: Any of the above that persists for days or weeks and disrupts normal living.

Explanation:

edg2020

(Sometimes these things happen to people but they are temporary. It is an issue when thee thoughts are reoccurring and constantly bringing your quality of life down. )

How can mental health care continue to improve?

Answers

Answer:

Better financial coverage, lower costs, and professionals who care more for their clients.

Explanation:

Mental health care is extremely important, but the costs for treatment are so high. With it being reduced and better covered by insurance more people would seek out help.

Professionals need to listen to their clients more and try their best to give them what they need. Listening is so important when it comes to helping people with mental health.

list the category of food that the world health organization has classified as carcinogenic

Answers

Processed meat is classified as carcinogenic .

The passage of genetic instructions from one generation to the next is known as —

heredity
commensalism
traits
phenotype

Answers

Answer:

Heredity.

Explanation:

When genetics are passed from one generation to the next, this is heredity.

Which statement best describes the difference between confict resolut
O Conflict resolution is for serious problems, but conflict management
O Conflict resolution is for complex problems, but confict managemen
O Conflict resolution is for sovable problems, but conflict management
O Conflict resolution is for physical problems, but confict management

Answers

I think its C if not then sorry

Answer:

C

Explanation:

Match each example of behavior to the correct stage of the addiction cycle.
Ritual
?
Emily cannot stop thinking
about cigarettes and what
it would feel like to smoke
one.
Using
?
Emily reaches for the pack
of cigarettes in her purse
without even thinking
about it.
Guilt
?
Emily smokes a cigarette.
Craving
?
Emily is frustrated with
herself for smoking when
she was trying to quit

Answers

Answer:

Craving=Emily cannot stop thinking about cigarettes and what it would feel like to smoke one.

Ritual=Emily reaches for the pack of cigarettes in her purse without even thinking about it.

Using=Emily smokes a cigarette.

Guilt=Emily is frustrated with herself for smoking when she was trying to quit.

Environmental tobacco smoke causes the death of approximately 7,000 nonsmokers per year. Please select the best answer from the choices provided. T F

Answers

It is answer T good luck

Answer:

False

Explanation:

got it right on edge

Allergies are an overreaction of
W which system in the body?

Answers

it is an overreaction in the immune system.

Allergies are an overreaction of your body's immune system to a harmless foreign substance that enters the body, like pollen or animal dander. Substances that cause this reaction are called allergens. The job of your immune system is to identify foreign substances in the body and get rid of them.

what are the symptoms of influenxza​

Answers

Answer:

Explanation:

At first, the flu may seem like a common cold with a runny nose, sneezing and sore throat. But colds usually develop slowly, whereas the flu tends to come on suddenly. And although a cold can be a bother, you usually feel much worse with the flu.

Common signs and symptoms of the flu include:

Fever

Aching muscles

Chills and sweats

Headache

Dry, persistent cough

Shortness of breath

Tiredness and weakness

Runny or stuffy nose

Sore throat

Eye pain

Vomiting and diarrhea, but this is more common in children than adults

Answer:

Fever

Cough

Shortness of breath

Fatigue

Chills

Runny nose

Sore throat

Muscle pain

Headaches

Vomiting or diarrhea

Explanation:

Influenza is a virus that attacks your immune system. It attacks your body while your white blood cells fight it off. Some people die from influenza while others fight it off.

The sleep stage at which muscles begin to contract and relax is __________. A. Stage 1 B. Stage 2 C. Stage 3 D. Stage 4

Answers

Answer:

B. stage two is the answer

The sleep stage at which muscles begin to contract and relax is Stage 2 (option B.

Sleep stage

The stage 2 is light sleep stage where the heart rate slows and the body temperature drops. The body is getting ready for deep sleep at this particular stage. This can last for 10-25 minutes.

During this stage, eye movement stops and brain waves slow with the occasional burst of waves called sleep spindles.

Learn more about sleep :

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Your patient is an 87-year-old female brought in by her daughter with a severe laceration on
her left foot. The patient is shaking uncontrollably and seems to be afraid of her daughter. The
daughter explains that her mother has dementia, which causes her to become paranoid. She says
the laceration occurred when her mother was trying to help prepare dinner and dropped a sharp
kitchen knife. The patient appears to understand when you explain what you are about to do, and
she helps you roll up the sleeve of her shirt so that you can check her blood pressure. As she rolls
up her sleeve, you notice bruises in various stages of healing. How will you handle this situation?

Answers

Answer:

call the police cause the mother is hitting the child causing triggers

Explanation:

occurs when large amounts of alcohol are consumed.
Withdrawal
Addicition
Intoxication​

Answers

The answer is B. Addiction.

It's easy to get addicted to alcohol when you drink a large amount of it.

you have been appointed to health education team at your school. your job is to develop the criteria for the health information that another member of the team will be sharing with students. which term Best represents your role in the project A.critical thinker B. problem solver C. effective communicator D. self-directed

Answers

Answer:

effective communicator

Explanation:

answer answer sheet effective I took a test

In a well-developed paragraph, discuss Preventive medicine. What is it? What are different types? Why is it important?

Answers

Answer:

The goal of preventive medicine is to promote health and well-being and prevent disease, disability and death.

Explanation: Preventative medicine you ask? Here is a basic run down. Preventative medicine is to promote health and well-being and prevent disease, disability, and death. Some examples would be, a tetanus shot, flu shot, and insulin. It is important because it can help save lives. For example, insulin is a preventative medicine. It prevents diabetics from going into diabetic shock.

Alana wants to join her school soccer team. She already has great cardiorespiratory endurance but wants to focus on some of the skill-related components of fitness. Define either coordination or agility and then describe how it will enhance Alana's soccer abilities. (50 pts)

Answers

Agility means the ability of a person to be able to move quickly and easily.

Coordination means the ability of a person to be able to use the different parts of the body in a coordinated way.

Agility will enhance Alana's soccer abilities as it'll help in making her quicker with the ball.

Coordination is also essential as she will be able to use different parts of her body in an organized way. For example, she will be able to use both legs effectively and will also be good with heading of the ball.

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HELP!!!!!!!!!!!!!!!! Which statement best defines the Transtheoretical model?
Change involves five stages, including an active decision to change.
Change involves genetics, which is why few people make meaningful changes.
Change involves one stage, which is usually a doctor’s order to make a change.
Change involves 20 stages, which is why few people make meaningful changes.

Answers

Answer:

Change involves five stages, including an active decision to change.

Explanation:

The five stages are precontemplation, contemplation, preparation, action, and maintenance.

The statement that best defines the Transtheoretical model is: "Change involves five stages, including an active decision to change." The correct option is option 1.

The Transtheoretical model, also known as the Stages of Change model, is a framework developed by Prochaska and DiClemente to understand the process of behavior change.

According to this model, individuals go through five stages when making a change: precontemplation, contemplation, preparation, action, and maintenance. The active decision to change occurs during the preparation stage when an individual commits to taking action to address the behavior they want to change.

This model recognizes that behavior change is a process that involves different stages, and individuals may progress through these stages at their own pace. It emphasizes the importance of self-efficacy and motivation in facilitating successful behavior change.

Thus, the ideal selection is option 1.

Learn more about Transtheoretical model, here:

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#SPJ2

Select the correct answer.
Love and sexual attraction are exactly the same thing.
OA. True
OB. False

Answers

Answer:

B. False

Explanation:

I am asexual and I can love someone but I don't have sexual attraction towards them.

Answer:

Explanation:

false

Assuming 50% efficiency, 150 kcals of chemical energy would result in __________ of kinetic energy.
A.
50 kcals
B.
75 kcals
C.
100 kcals
D.
150 kcals


Please select the best answer from the choices provided.

x A
o B
o C
o D


gym

Answers

the correct answer would be c

Answer: B. 75 kcals

Explanation: I got it right

Select the correct answer.
Which of the following is NOT a discrete skill?
-Throwing a ball
-Spiking a volleyball.
-Swinginga golf club
-Shootinga basketball

Answers

I don’t have the exact answer, however I know we can eliminate the golf club and throwing a ball

Which of the following statements regarding ambulance stretchers is correct?

Answers

You need to put the options below. I cannot format your response with this information. Please attach answers or a help guide to continue with the question's process.

List 25 unhealthy foods.

Answers

Answer:

Sugary drinks. ...

Most pizzas. ...

White bread. ...

Most fruit juices. ...

Sweetened breakfast cereals. ...

Fried, grilled, or broiled food. ...

Pastries, cookies, and cakes.

:

Answer:

shugar

pizza

certain cerial

Explanation:

tats all i got qmq

why is mercury used in making thermometer?​

Answers

Answer:

Mercury is used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it's used in a thermometer.

Also, mercury has a freezing point of -38.83 °C and boiling point at 356.7 °C, this gives a very big range to measure temperatures for may general purposes, also it does not stick to(wet) the capillary wall of the thermometers, and its easy to obtain in its elemental form.

Explanation:

Unhealthy eating and teen obesity can cause
A. genetic disease
B. type 2 diabetes
C. low attention span
D. all of the above

Answers

Answer:

b.type 2 diabetes. i think

how do ears help us with balancing
moderaters help

Answers

Explanation:

It's their job to help you balance. The canals are filled with fluid and lined with tiny hairs. When your head moves, the fluid in the canals sloshes around, moving the hairs. The hairs send this position information as signals through the vestibular (say: veh-STIB-yuh-ler) nerve to your brain.

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