Difference between RBC and WBC:
| RBC | WBC |
|---|---|
| RBC do not have nucleus at maturity. | WBC have a large distinct oval or lobed nucleus . |
| WBC are larger than RBC. | RBC are small in size. |
| RBC have red colour due to the presence of haemoglobin protein. | WBC are colourless and they lack haemoglobin. |
| RBC 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. | WBC provide immunity by destroying the disease causing germs and producing antibodies. |