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Travka [436]
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​
Health
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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