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3 years ago

9

Cardiovascular fitness is the ability of the heart to supply oxygen to muscles for an extend period of time. Heart belongs to wh

at system?
A.Cardiovascular
B.Digestive
C.Respiratory
D.Skeletal

1 answer:

Burka [1]3 years ago

3 0

The heart is part of the cardiovascular system. This system acts as a “railway”, and delivers blood and oxygen to the rest of the body.

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