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23 votes
Heart, veins, arteries, capillaries: Which organ system do these belong to?

O
Digestive
Musculoskeletal
Respiratory
Circulatory
Excretory

User Daniel Michelfelder
by
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1 Answer

18 votes
18 votes

Answer:

Circulatory

Step-by-step explanation:

The circulatory system consists of the heart, lungs, arteries, veins, coronary, and portal vessels.

User Lef
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