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The atrium and ventricles don't DO anything, they're just chambers in the heart. The heart is made up of four chambers - the right atria, the right ventricle, the left atria, and the left ventricle. Blood passes through these four chambers and then is pumped out to wherever it needs to go.

Atrium: is the chamber in the heart designed to receive the blood from the body tissues.

Ventricle: where the atrium empties into; Muscular chamber designed to pump the blood forward through the arteries.

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Izabella Bins

Lvl 10
3y ago

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