Single Answer MCQ
Q-00020188
What happens to the lungs with regular physical exercises?
1
Decrease in lung volume
2
Activation of inactive alveoli
3
Reduction in vital capacity
4
Decrease in chest size
Answer and Solution
Answer
B. Activation of inactive alveoli
Solution:
Regular physical exercises lead to activation of inactive alveoli, which improves respiratory efficiency. This does not decrease lung volume or vital capacity; rather, it enhances them.
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