Question

what do you call the upper chambers of heart ?​

Answer 1

Answer:

The upper chambers are the called atria and act as the receiving chambers. The lower chambers are called ventricles; these are the pumping chambers.

Explanation:

Hope it helps....

Answer 2

❥ᴀɴsωᴇʀ ↴

●❀★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 your heart.