asked 162k views
1 vote
Cardiovascular exercise helps improve the health of the _____.

brain

muscle fibers

blood vessels

blood

asked
User Johnmerm
by
7.5k points

2 Answers

2 votes
the muscle fibers because your working your whole body
answered
User Yannick Pezeu
by
8.0k points
5 votes
It helps improve the health of the muscle fibers. I hope this helped.

answered
User Yevhen Kuzmovych
by
7.6k points

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