Answers Lifetime Fitness semester EL2083 Physical Activity and Cardiorespiratory FitnessQuestion 12

12

QuizMultiple Choice

Physical Activity and Cardiorespiratory Fitness

Question 12 • Lifetime Fitness (semester) EL2083

As exercise levels increase, which of the following physiological changes occurs in the respiratory system?

Answer

A

The respiratory muscles shrink.

B

The lungs expand in size.

C

The trachea widens.

D

The airways narrow.

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