Difference between White blood cells and Red blood cells:
| White Blood Cells | Red Blood Cells |
|---|---|
| WBCs are amoeboid having irregular shape. | RBCs are circular or biconcave disc shaped. |
| WBCs have distinct oval or lobed nucleus. | RBCs do not have nucleus at maturity. |
| WBCs are larger than RBCs. | RBCs are small in size. |
| RBCs have red colour due to the presence of haemoglobin protein. | WBCs are colourless and they lack haemoglobin. |
| RBCs carry oxygen from lungs to all the body tissues and cells and remove carbon dioxide produced in the cells and carry it back to the lungs. | WBCs provide immunity by destroying the disease causing germs and producing antibodies. |