D Dhruva 🎓 Extraordinary ⭐ 4.38K Points 📊 Biology Q. How many chambers does a human heart have? (A) 2 (B) 4 (C) 6 (D) 7 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (B) 4 You must be Logged in to update hint/solution 💬 Discussion 💬 Comment