Question

Discuss any 3 immediate effect of exercise on cardiovascular system.

60+ words

no copied answer


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Answer 1

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♣The effects of exercise on the circulatory system.

♦Short term effects :-

✍️During exercise the heart rate increases rapidly.

✍️This provides the muscles with the necessary oxygen and nutrients to provide the muscles with energy.

✍️During exercise, cardiac output is increased.

✍️Cardiac output = stroke volume x heart rate.

✍️During exercise stroke volume increases because:

=> more blood is sent back to the heart due to the muscles squeezing blood in the veins.

=> as the heart fills up, it stretches.

=> as the muscle fibres stretch, they contract more strongly, pumping out more blood.

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♦Long term effects

✍️The heart muscle will grow and strengthen.

The heart muscle will become more efficient in heart rate and stroke volume.

Answer 2

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1.The heart muscle will grow and strengthen.

2.The heart muscle will become more efficient in heart rate and stroke volume.

3. During exercise the heart rate increases rapidly.

This provides the muscles with the necessary oxygen and nutrients to provide the muscles with energy