Question

c) Adi measured his breaths per minute when at rest and when playing football, as
shown below. Why does the number of breaths per minute change?
Activity
Number of breaths per minute
At rest
15
Playing football
35​

Answer 1

Answer:

It's because while in rest his heart pump blood normally but while playing football his blood pressure pressure increases and his heart need more oxygen to pump more and more blood.

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Answer 2

Answer:

Answer: It's because while in rest his heart pump blood normally but while playing football his blood pressure pressure increases and his heart need more oxygen to pump more and more blood.