Home Biology Body Fluids and Circulation General The opening of auricles into ventricles on t…
Biology Body Fluids and Circulation General Single Correct MCQ
Published on: August 13, 2026

The opening of auricles into ventricles on the right side is guarded by which valve?

A
Tricuspid
B
Bicuspid
C
Semilunar
D
Mitral valve

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The right atrioventricular valve is also known as the tricuspid valve, since it has three cusps, or flaps, that open and closes. When this valve is open, blood flows freely from the right atrium into the right ventricle. However, when the right ventricle begins to contract, the valve closes, so that blood cannot return to the right atrium; this ensures forward flow into the pulmonary artery.

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