Single Answer MCQ
Q-00020131
What is the immediate effect of physical activity on breathing rate?
1
It decreases significantly.
2
It remains unchanged.
3
It increases rapidly.
4
It fluctuates wildly.
Answer and Solution
Answer
C. It increases rapidly.
Solution:
Physical activity increases the body's demand for oxygen, which leads to an increase in breathing rate. The goal is to supply more oxygenated blood to the muscles. Therefore, the correct option is 'It increases rapidly.'.
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