Question

How is heart rate modified according to the needs of our body?

Answer 1

Hey friend here is your answer

Question - How is heart rate modified according to the needs of our body?

Answer - The amount of blood, and therefore oxygen, that you needflowing throughout your body can change depending on the situation you are in. ... If you are exercising you need more oxygen flowing than if you are resting because your muscles are working harder. Your bodymodifies your heart rate to meet these needs.

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Answer 2

Your heart rate is the number of times that your heart beats per minute. As your heart beats, it sends blood throughout the circulatory system, taking oxygen and other substances throughout the body so that your cells and organs can continue to function normally.