A Abhishek Pathak 🎓 Master ⭐ 1.86K Points 📊 Biology Q. How many brackets are there in human heart? (A) 4 (B) 5 (C) 2 (D) 3 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) 4 You must be Logged in to update hint/solution 💬 Discussion 💬 Comment