Question

Why are bone marrow known as the factory of making blood cells?

Answer 1

Bone marrow is called factory of making blood cells because the both the red blood cells (erythrocytes) and white blood cells (leukocytes) are produced in it, along with blood platelets (thrombocytes).

Answer 2

Answer:

Blood cells like RBCs, WBCs and Platelets are manufactured inside this bone narrow. Therefore, bone narrow is known as the factory for making blood cells.

Explanation:

The long bones, like the thigh bone and the arm bone, are hollow from inside. this hollow space is filled with cells and soft material known as the bone marrow. Blood cells are manufactured inside this bone marrow. Therefore bone marrow is known as the factory for making blood cells.