Single Answer MCQ
Q-00020096
What long-term effect do physical activities have on the heart's pumping efficiency?
1
It decreases cardiac output
2
It has no effect
3
It improves cardiac output
4
It makes the heart pump irregularly
Answer and Solution
Answer
C. It improves cardiac output
Solution:
Long-term physical activities improve the heart's pumping efficiency, allowing it to pump a larger volume of blood with each contraction. The other options are incorrect as regular activity supports heart health.
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