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)

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:

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

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

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.

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions. Online Content: Site 1 Fitness Log Active listening is an important part of communication. Why is active listening important and what are the four elements of active listening? (Site 1)

Which option is generally the most reliable source for health information?
a commercial on television
a website that ends in .com
a friend
a doctor
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100 POINTS AND BRAINLIEST!!!! ASAP!!!!

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

heredity
commensalism
traits
phenotype

Janelle's best friend invited her to a party. Janelle wants to go, but she is worried her friend will drink and will want to drive them home under the influence. Which person should Janelle talk to for advice?

A. Her local physician
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Protein-deficiency can cause which of the following?
A.
Edema
B.
Weakened immune system
C.
Decreased acid balance in the body
D.
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A.
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B.
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C.
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D.
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0%-10%
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A proper stance includes:
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B. Hands up to guard face and body
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A.
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B.
It is against the law to use a false identification card to purchase alcohol.
C.
It is against the law to buy or consume alcohol when you're under the age of 21.
D.
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