Question

Define WBC

Answer 1

W.B.C. are:

1. Large sized.
2. nucleated cells.
3. 7000 per mm3 in numbers.
4. Show amoeboid movement.
5. Main function is defense mechanism.
6. There are mainly five type of white blood cells:

1. Granulocytes- neutrophil- first immune cell to respond when a microorganism enter the body destroy the organism by ingesting them.
2. Eosinophil – kill parasites, participate in allergic reactions
3. Basophils- mechanism of early cancer cells.
4. T - lymphocytes – responsible for cell-mediated immunity.
5. B- lymphocytes – responsible for antibody mediated immunity.