What are the hearts upper chambers called

2 answers:

7 0

The upper chamber is called an atrium (or auricle), and the lower chamber is called a ventricle. The two atria act as receiving chambers for blood entering the heart; the more muscular ventricles pump the blood out of the heart.

viva [34]2 years ago

4 0

Hello!

The upper chambers of the heart are known as the left and right atria.

The lower chambers are the ventricles.

I hope this helps you!

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