Which Statement About the Mammalian Heart Is False

question 221

Multiple Choice

Which statement about the mammalian heart is false?

• A) The left ventricle has thicker walls than the right ventricle because it pumps a greater volume of blood.
• B) The pulmonary artery carries blood from the right ventricle to the lungs, and the pulmonary veins carry blood from the lungs to the left atrium.
• C) The atrioventricular valves prevent the backflow of blood into the atria when the ventricles contract.
• D) Most ventricular filling is passive.
• E) The pulmonary and aortic valves prevent the backflow of blood into the ventricles when the ventricles relax.

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