R Ram Sharma 🎓 Coach ⭐ 193.88K Points 📊 Biology Q. Heart murmur signals a (A) improper development of muscles (B) dislocation of the heart (C) poor oxygenation (D) defective valve 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) defective valve You must be Logged in to update hint/solution 💬 Discussion 💬 Comment