Question

select the correct answer. which letters in the image represent the heart’s ventricles? a. a, d b. a, c c. b, c d. b, d

Explanation:

The heart has four chambers: two atria (upper chambers) and two ventricles (lower chambers). In the diagram, A and C are atria (upper, receiving blood), while B (right ventricle) and D (left ventricle) are the ventricles (lower, pumping blood). So the letters representing ventricles are B and D.

Answer:

D. B, D