Answer the following question given this paragraph: 

Blood from the body enters the right atrium of the heart. The right atrium pumps the blood to the right ventricle, which pumps it to the lungs. This loop is represented by the blue arrows in Figure above .


Q: Blood from the body enters what chamber of the heart before it is pumped to the right ventricle and then to the lungs?

 Choices:

- left ventricle

- left bivalve

- left atrium

- right atrium

A:
right atrium
