11
QuizMultiple Choice

Physical Activity and Cardiorespiratory Fitness

Question 11 • FL-3026010-HOPE-Physical Education (Core) Sem 1 - Flex

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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