Single Answer MCQ
Q-00020108
What happens to the heart during regular physical exercise?
1
It becomes less efficient
2
It increases muscle mass
3
It decreases its pumping ability
4
It stops growing in size
Answer and Solution
Answer
B. It increases muscle mass
Solution:
The heart increases in muscle mass due to regular physical exercise, which enhances its pumping ability and overall efficiency. The other options incorrectly state the effects of training on heart function.
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