Question

4.Each of the two upper chambers of the heart that receives blood that comes into the heart is called the ___________________________.

Answer 1

Right atrium

Step-by-step explanation:

Right atrium: Receives blood returning to the heart from the superior and inferior vena cava; transmits blood to the right ventricle, which pumps blood to the lungs for oxygenation.

Answer 2

left and right atrium. i hope this helps :)