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GA-Personal Fitness
Safe Weight Training — Unit test
Question 19
19
Quiz
Multiple Choice
Safe Weight Training — Unit test
Question 19 • GA-Personal Fitness
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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