Biology for IGCSE & O level - Gas Exchange In Humans (Section 1 - No. 6)
Which of the following statements best describes the relationship between breathing rate and exercise?
Breathing rate decreases during exercise.
Breathing rate remains constant during exercise.
Breathing rate increases during exercise.
Breathing rate is unrelated to exercise.
Explanation
During exercise, the body needs more oxygen, and the breathing rate increases to provide it.
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