2
AssignmentMultiple Choice

The Cardiovascular System

Question 2 • 2026-2027 EDGE Human Anatomy and Physiology B

The atrioventricular node (AV node) does which of the following?

Answer
A
removes gases from the blood
B
sends impulses to the SA node
C
prevents blood from entering the aorta
D
sends electrical impulses to the His bundle

Explanation

The AV node receives the electrical signal from the atria, briefly delays it, and then passes it to the His bundle, which carries the signal toward the ventricles. Therefore, the correct choice is “sends electrical impulses to the His bundle.”

AI-written and checked against the verified answer.

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