Question

which of the following statements regarding the atria is false? a atria are the upper chambers. b the two atria are separated by a septum. c atria pump blood out of the heart. d atria receive blood into the heart.

Explanation:

The atria are the upper chambers of the heart. They are separated by a septum and receive blood into the heart. The ventricles, not the atria, pump blood out of the heart.

Answer:

C. Atria pump blood out of the heart.