Question Detail

BIO 102 Mechanisms of Animal Respiration and Circulation Objective Question

Question

What is the main function of the valves in the heart?
Options
A To oxygenate the blood
B To separate atrial from ventricular cavities and prevent backflow
Correct Answer
C To generate the electrical impulse for the heartbeat
D To filter out old red blood cells
Correct Answer

Option B is the correct answer.

Detailed Explanation

Valves separate the heart chambers and ensure blood flows in one direction.

Hint

They act like one-way doors.

Question Info