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Lemur [1.5K]
2 years ago
8

The atria are the “upstairs” chambers of the heart and these parts are the “downstairs” chambers:

Health
2 answers:
Allisa [31]2 years ago
8 0
B explanation is because it is
Alona [7]2 years ago
5 0

Answer:

B) Ventricles

Explanation:

There are four chambers: the left atrium and right atrium (upper chambers), and the left ventricle and right ventricle (lower chambers). The right side of your heart collects blood on its return from the rest of our body. The blood entering the right side of your heart is low in oxygen.

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