Hich statement best describes a change that usually takes place in the human body when the heart rate increases as a result of exercise?

Complete Question:

Which statement best describes a change that usually takes place in the human body when the heart rate increases as a result of exercise?

Group of answer choices.

A. More oxygen is delivered to muscle cells.

B. Blood cells are excreted at a faster rate.

C. The rate of digestion increases.

D. No hormones are produced.

A. More oxygen is delivered to muscle cells.

Explanation:

An aerobic exercise refers to all forms of physical activity that an individual engages in, so as to increase the heart rate (from low to high intensity) in response to the level of oxygen required by any activated or working muscle in the human body.

Generally, aerobic exercise help various individuals to prevent cardiovascular diseases because it makes the heart to beat faster (heart rate increases) to enable it supply more oxygen, which makes the heart to effectively and efficiently pump blood more.

Some examples of aerobic exercise (cardiofitness activity) includes cycling, swimming, jogging, walking, skiing etc.

Hence, the statement which best describes a change that usually takes place in the human body when the heart rate increases as a result of exercise is that more oxygen is delivered to muscle cells.

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