Between which chambers do the atrioventricular valves reside?

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Multiple Choice

Between which chambers do the atrioventricular valves reside?

Explanation:
Atrioventricular valves sit between the atria and the ventricles on each side of the heart. The right-sided AV valve is the tricuspid, and the left-sided AV valve is the mitral. They open to let blood flow from the atria into the ventricles, then close to prevent backflow when the ventricles contract. This placement distinguishes them from the semilunar valves, which are between the ventricles and the major arteries. So, the AV valves reside between the atria and the ventricles.

Atrioventricular valves sit between the atria and the ventricles on each side of the heart. The right-sided AV valve is the tricuspid, and the left-sided AV valve is the mitral. They open to let blood flow from the atria into the ventricles, then close to prevent backflow when the ventricles contract. This placement distinguishes them from the semilunar valves, which are between the ventricles and the major arteries. So, the AV valves reside between the atria and the ventricles.

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