MICROANATOMY

Detailed explanation-1: -Human red blood cells (RBC), after differentiating from erythroblasts in the bone marrow, are released into the blood and survive in the circulation for approximately 115 days.

Detailed explanation-2: -Red blood cells have a limited lifespan because they don’t have a center membrane (nucleus). When a red blood cell travels through your blood vessels, it uses up its energy supply and only survives an average of 120 days.

Detailed explanation-3: -Normal human red blood cells have an average life span of about 120 days in the circulation after which they are engulfed by macrophages.

Detailed explanation-4: -Like all other blood cells, RBCs originate from red bone marrow. They have a lifespan of 120 days and after which they are degraded in the spleen.

Detailed explanation-5: -Red blood cells (erythrocytes) The lifespan of a red blood cell is around 120 days.