Single Answer MCQ
Q-00020088
What effect does regular physical activity have on the heart's size?
1
It decreases the size of the heart
2
It has no effect on the heart's size
3
It increases the size of the heart
4
It makes the heart irregularly shaped
Answer and Solution
Answer
C. It increases the size of the heart
Solution:
Regular physical activity increases the size of the heart due to the development of cardiac muscles, enhancing its ability to pump blood efficiently. The other options are incorrect because regular exercise does not decrease heart size or cause irregularity.
Watch Video Solution