🫀 Heart Sound Quiz 🔥 | S1 & S2 Heart Sounds Question for NEET 2026 #Shorts

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What we cover

🧠 Quick NEET Biology Quiz!

Question: Which heart sound is produced by the closure of the AV valves? 🤔

✅ S1 (“Lub”) and S2 (“Dub”) Revision ✅ Human Physiology MCQ ✅ Most Expected NEET Question ✅ Quick 30-Second Concept Check

📚 Key Facts:

S1 (Lub) → Closure of Mitral & Tricuspid (AV) Valves S2 (Dub) → Closure of Aortic & Pulmonary Semilunar Valves

💬 Comment your answer before the solution is revealed!

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