Which statement is NOT true of the atria of the heart?
A)They are the upper chambers and have thin walls.
B)They produce the hormone ANP when blood pressure rises.
C)The right atrium receives blood from the lower body.
D)The left atrium receives blood from the upper body.

Question

Quizplus · Accepted Answer

The left atrium receives blood from the lungs via the pulmonary veins, not specifically from the upper body. The right atrium receives blood from the body through the superior and inferior vena cavae, with the superior vena cava bringing blood from the upper body and the inferior from the lower body.

Which Statement Is NOT True of the Atria of the Heart