RE-NEET2026Zoology-Human Physiology

RE-NEET 2026 Zoology Circulatory System MCQ Question

Type: MCQ-fact-Easy

The opening between the right atrium and the right ventricle is guarded by ________.

A

tricuspid valve

B

semilunar valve

C

sino-atrial node

D

bicuspid valve

Correct Answer

Option A

Detailed Explanation

The tricuspid valve is located between the right atrium and the right ventricle, preventing backflow of blood during ventricular contraction.

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