Question

Explain in brief RBCs formation and life span.

Answer 1

Red blood cells are formed in the red bone marrow of bones. Stem cells in the red bone marrow called hemocytoblasts give rise to all of the formed elements in blood. If a hemocytoblast commits to becoming a cell called a proerythroblast, it will develop into a new red blood cell.

The life span of each RBC cell is four months that is 120 days

Answer 2

Process of Formation of RBC is known as Erythropoiesis and this process occurs in large bones with bone marrow (trabeculae of spongy bones)

Life span of RBC is around 120 days