👉 White blood cells fight infections rapidly by engulfing pathogens, while red blood cells swiftly transport oxygen from lungs to tissues. Haemoglobin within RBCs gives blood its red color, binding oxygen and releasing it efficiently.
👉 White blood cells fight infections rapidly by engulfing pathogens, while red blood cells swiftly transport oxygen from lungs to tissues. Haemoglobin within RBCs gives blood its red color, binding oxygen and releasing it efficiently.
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