The combination of a heart,arteries,veins,and capillaries is A. CELL B. an organ system C. organism D. tissue

asked Feb 1, 2021 89.5k views

3 votes

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

A. CELL

B. an organ system

C. organism

D. tissue

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1 vote

Answer:

the answer should be blood vessels in the cell

so practically it should be A. cell

Sourcx answered Feb 2, 2021

6.9k points

2 votes

Answer

n organ system.

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