Question

Where are the blood cells formed?

Answer 1

Blood cells:

1. Red Blood Cells and White Blood Cells are two types of blood cells.
2. RBCs are human biconcave and nucleus-free cells; they are also recognized as erythrocytes.
3. The iron-rich protein called haemoglobin is found in RBCs, giving the blood to its red colour.
4. Leucocytes are colourless blood cells. They are colourless because it is devoid of haemoglobin.

Formation of blood cells:

1. Most RBCs are produced in the bone marrow, the soft fatty tissue inside bone cavities.
2. In the spleen and thymus, 20-30% of WBCs are formed.