During resting, our breathing rate is anywhere between... to ..... times per minute, while
during vigorous exercise our breathing rate go up to......to.......
breaths per minute.
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Explanation:
If the exercise is intense, breathing rates may increase from a typical resting rate of 15 breaths per minute up to 40 – 50 breaths per minute. The most commonly used measure of respiratory function with exercise is known as VO2 (volume of oxygen uptake).
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Answer:
During exercise our heart beat increase because at this time our body need more oxygen and this oxygen supplied to the body through blood so, heart have to pump more frequently to the body.
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