McqMate
| Q. |
The main function of white blood cells in the body is to - |
| A. | carryoxygen |
| B. | help in clot formation |
| C. | produce more red cells |
| D. | protect body against diseases |
| Answer» D. protect body against diseases | |
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Explanation: White blood cells, or leukocytes are cells of the immune system involved in defending the body against both infectious disease and-foreign materials. They are produced and derived from a multipotent cell in the bone marrow known as a hematopoietic stem cell. They live for about three to four days in the average human body. Leukocytes are found throughout the body, including the blood and lymphatic system. |
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