🩺 NEET🧬 Biology

The opening between the right atrium and the right ventricle is guarded by ___________. [Re-NEET 2026]

Q1

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

[Re-NEET 2026]

a

bicuspid valve

b

tricuspid valve

c

semilunar valve

d

sino-atrial node

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