When blood returns from the pulmonary circuit, it first enters the ____ chamber of the heart.
A) left atrium
B) left ventricle
C) right atrium
D) right ventricle
E) both the left atrium and the right atrium

Question

Quizplus · Accepted Answer

The blood returns from the pulmonary circuit oxygenated and enters the left atrium of the heart before it is pumped into the left ventricle and then to the rest of the body.

When Blood Returns from the Pulmonary Circuit, It First Enters