What are the 4 parts of the heart called?

Answer 1

Chambers of the Heart, more specifically the right and left atria and right and left ventricles.

Answer 2

Video Attached!

Please see video for more info.

The heart has four chambers: two atria and two ventricles.

1. The right atrium receives oxygen-poor blood from the body and pumps it to the right ventricle.
2. The right ventricle pumps the oxygen-poor blood to the lungs.
3. The left atrium receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
4. The left ventricle pumps the oxygen-rich blood to the body.