In the heart, the interatrial and interventricular septa
A)prevent blood exchange between the atria and ventricles.
B)allow blood to flow in only one direction between the atria and ventricles.
C)act as the pacemaker of the heart.
D)are the gatekeepers for the pulmonary and systemic circulatory systems.

Question

Quizplus · Accepted Answer

The interatrial and interventricular septa separate the atria and ventricles, respectively, preventing blood exchange directly between these chambers, ensuring blood flows through the proper valves and circulatory routes.

In the Heart, the Interatrial and Interventricular Septa