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18-04-2017
Biology

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what are the main kinds of blood vessels and what functions do they perform?

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Аноним Аноним

18-04-2017

1. Arteries : Carry's blood away from the heart.

2. Veins : Carry's blood back to the heart.

3. Capillaries : exchange of materials and gases between the cell and vessel takes place here.

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