AriannaVHS AriannaVHS

15-05-2020
Biology

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Please help! 25 points:)

Please help 25 points class=

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hailzcoodey hailzcoodey

15-05-2020

Answer:

D. IV -> III -> II -> I

Explanation:

Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the atrium contracts, blood flows from your right atrium into your right ventricle through the open tricuspid valve.

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