The Blood RBC RBC An RBC is a 7.5 micron disc shaped body with a central depression The cell is without a nucleus or mitochondria AN RBC contains hemoglobin and filamentous proteins attached to the cell wall to impart flexibility on it AN RBC contains hemoglobin and filamentous proteins attached to the cell wall to impart flexibility on it Antigens are embedded in the cell membrane, they decide the blood group The RBC cytoplasm provides energy to maintain intracellular homostasis This energy is generated mostly through anaerobic glycolysis This energy is generated mostly through anaerobic glycolysis RBCs function is gas exchange: O 2 to the tissues and CO 2 to the lungs
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