👉 Red blood cells are elongated, biconcave discs, rich in hemoglobin, which swiftly transport oxygen throughout the body. White blood cells, part of the immune system, are diverse and rapidly respond to infections within hours.
👉 Red blood cells are elongated, biconcave discs, rich in hemoglobin, which swiftly transport oxygen throughout the body. White blood cells, part of the immune system, are diverse and rapidly respond to infections within hours.
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