Multiple Choice
How is breathing affected during middle adulthood?
A) Breathing is unchanged by exercise.
B) Breathing declines in capability because of changes in lung tissue due to aging.
C) Breathing becomes easier with age because of increased capacity of the lungs.
D) For most, breathing declines by approximately 90% by the end of middle adulthood.
Correct Answer:
Verified
Correct Answer:
Verified
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