Biology, asked by Rasharma0581, 3 months ago

3.
After a brisk walking our heartbeats become faster, why?​

Answers

Answered by kalaiyarasim2001
3

The heart must beat faster during exercise because by increasing the heart rate, the body is able to increase cardiac output and deliver the necessary blood flow to the muscles. During exercise the body's muscles increase their activity level and consume more oxygen.

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