Oxygenated Blood Enters the Heart Via This Structure

Question

Oxygenated blood enters the heart via this structure.
A)right atrium
B)left atrium
C)left ventricle
D)right ventricle

Accepted Answer

The left atrium receives oxygenated blood from the lungs via the pulmonary veins. The right atrium receives deoxygenated blood from the body via the superior and inferior vena cava. The left and right ventricles are responsible for pumping blood out of the heart to the rest of the body and lungs, respectively.