D Dhruva 🎓 Extraordinary ⭐ 4.38K Points 📊 Biology Q. White blood cell act (A) As a defence against infection (B) As a source of energy (C) For clotting blood (D) As a medium for oxygen transport from lung to tissues 👁️ Show Answer 🔗 Share ⚡Menu ✅ Correct Answer: (A) As a defence against infection You must be Logged in to update hint/solution 💬 Discussion 💬 Comment