Single Answer MCQ
Q-00045881
How does regular physical activity affect the resting breathing rate?
1
It increases it
2
It decreases it
3
It has no effect
4
It varies unpredictably
Answer and Solution
Answer
B. It decreases it
Solution:
Regular physical activity typically decreases the resting breathing rate as the respiratory system becomes more efficient. This adaptation allows for less effort to meet oxygen demands.
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