👉 Red blood cells are disc-shaped, carrying oxygen from lungs to tissues while their thinness ensures efficient delivery. White blood cells, round or irregular, act as body's guards, fighting infections and foreign invaders swiftly.
👉 Red blood cells are disc-shaped, carrying oxygen from lungs to tissues while their thinness ensures efficient delivery. White blood cells, round or irregular, act as body's guards, fighting infections and foreign invaders swiftly.
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