Answer:
Below:
Step-by-step explanation:
The upper chambers, the right and left atria, receive incoming blood. The lower chambers, the more muscular right and left ventricles, pump blood out of the heart.
Hope it helps....
It's Muska
Right atrium
Left atrium
Human heart has four chambers : the two atria (right and left) and the two ventricle (right and left).
This is a diagram of heart with the direction of blood flow (we can see from the diagram the RA and LA receive blood)
hope this helps
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