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12 votes
Which upper chamber of the heart contains oxygen-rich blood?

the right atrium
the left atrium
the right ventricle
the left ventricle

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User Xuehui
by
7.1k points

2 Answers

10 votes
the left atrium
explanation : he left atrium receives blood from the lungs, which is rich in oxygen.
hope this helps!!
User Zolfaghari
by
7.2k points
6 votes

Answer:

left atrium

Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins. Oxygen-rich blood then flows through the mitral valve (MV) into the left ventricle (LV), or the left lower chamber.

User Celeo
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