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LenKa [72]
3 years ago
12

The combination of a heart,arteries,veins,and capillaries is

Health
2 answers:
Serjik [45]3 years ago
8 0

Answer

n organ system.

OverLord2011 [107]3 years ago
5 0

Answer:

the answer should be blood vessels in the cell

so practically it should be A. cell

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