- A Transport oxygen to body tissues
- B Initiate blood clotting at wound sites
- C Engulf bacteria by phagocytosis
- D Produce antibodies against pathogens
Correct answer: A. Transport oxygen to body tissues
Explanation: Red blood cells contain haemoglobin, which binds oxygen in the lungs and transports it to tissues throughout the body.
Concept context
Blood, lymph, the heart, the cardiac cycle, blood pressure, and ECG. High NEET weightage.