RE-NEET2026Zoology-Human Physiology
RE-NEET 2026 Zoology Circulatory System MCQ Question
Type: MCQ-fact-Easy-Class 11
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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