Question

When we do physical activity, our heart beat becomes​

Answer 1

Explanation:

When you are exercising, the heart's blood flow increases by around four or five times from when you are at rest. Your body does this for you by increasing the rate of your heartbeat, thus increasing the amount of blood that goes out to the rest of the body. Cardiac output is the rate of blood pumped by the heart.

Answer 2

heya, buddy !!

=> When we do physical activity, our heart beat becomes beats faster

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