Single Answer MCQ
Q-00045821

How does physical activity directly influence the respiratory system?

1

Increases risk of respiratory diseases

2

Improves lung capacity and efficiency

3

Decreases oxygen uptake

4

Leads to shallow breathing

Answer and Solution

Answer

B. Improves lung capacity and efficiency

Solution:

Physical activity improves lung capacity and efficiency, enhancing overall respiratory function. The other options state negative effects that do not occur.

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