Talk about RBC

AKA erythrocytes, most abundant formed elements, highly differentiated, biconcave disc shaped, flattened in the center, deformable with diameter 6-8 micromm, anucleated and do not posses any cytoplasmic organelles nor do they reproduce or have metabolic activity , cytoplasm consists of mainly hemoglobin, water, also has a cytoskeleton, ADP, enzymes ions and glucose (anaerobic glycolysis) Lifespan is 100-120 days eliminated by hemolysis by macrophages of the liver and spleen