A Abhishek Pathak 🎓 Master ⭐ 1.86K Points 📊 Biology Q. Hemoglobin contains? (A) Manganese (B) Zinc (C) Copper (D) Iron 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (D) Iron You must be Logged in to update hint/solution 💬 Discussion 💬 Comment