CBSE BOARD XII, asked by mamtayadav83052, 5 hours ago

what is the effect of exercise of cardio vascular system

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Answered by Anonymous

69

Answer:

Improves the muscles' ability to pull oxygen out of the blood, reducing the need for the heart to pump more blood to the muscles. Reduces stress hormones that can put an extra burden on the heart. Works like a beta blocker to slow the heart rate and lower blood pressure.

Answered by shwethakumari029

6

Explanation:

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