Red corpuscles are formed in

Correct option is D

Ans (d)
Sol. Explanation:
· Bone marrow is the primary site where red blood cells (RBCs), also known as red corpuscles, are formed. The process of RBC production is called hematopoiesis.
· Liver and kidneys are involved in other functions, such as detoxification and hormone production, but they do not produce red blood cells.
· The small intestine is responsible for nutrient absorption, not the formation of blood cells.