Question

which of the following areas of the heart or its circulation has deoxygenated blood?
a. right atrium
b. left coronary artery
c. left atrium
d. left ventricle

Explanation:

Deoxygenated blood returns to the right - side of the heart. The right atrium receives deoxygenated blood from the body via the superior and inferior vena cava. The left - side of the heart (left atrium, left ventricle) and the left coronary artery carry oxygenated blood.

Answer:

A. Right atrium