Which blood cells fight infection? 👤 By The Quiz Wire ✅ Fact Checked 📊 Difficulty Easy 📅 Last Updated 01 Dec 2025 A. Red blood cells B. Platelets C. White blood cells D. Plasma Check Answer 💡 Explanation: White blood cells (leukocytes) are the immune system's primary defense against pathogens. 📚 Topics: Biology Science 🎯 Exams: GEN NTS