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When the heart becomes stronger through exercise, the resting heart rate

A. becomes irregular
B. stays the same
C. decreases
D. increases


Sagot :

Final answer:

Regular exercise strengthens the heart, leading to a decrease in resting heart rate.


Explanation:

When the heart becomes stronger through exercise, the resting heart rate decreases. Regular exercise leads to long-term adaptations in the heart, such as increased stroke volume, resulting in a lower resting heart rate in fit individuals. This decrease in resting heart rate signifies a more efficient heart muscle due to exercise.


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