Question

breathing rate of a person is not always constant.give the reason for your answer ​

Answer 1

Explanation:

Breathing rate of a person is not always constant. It changes according to the oxygen requirement of the body. ... Increased breathing rate provides greater amount of air entry into the lungs, hence blood can absorb oxygen at a faster rate.

Answer 2

Answer:

Because when we walk our breathing rate is normal whereas , when we run our breathing rate increase. So breathing rate of a person is not always constant

Explanation:

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