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Health, 11.03.2021 17:10 Kurlyash

What is true about the heart muscle? A.
It is just like any other muscle and grows stronger with use.
B.
It cannot pump more blood when conditioned.
C.
It doesn't grow stronger with frequent use.
D.
It does not maintain a higher rate during exercise.

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What is true about the heart muscle? A.
It is just like any other muscle and grows stronger...
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