Blood is one of the many tissues of the body.
(i) Explain what is meant by a tissue. [ 2 ]
(ii) White blood cells are important in the body's defence mechanisms. The images below are a photomicrograph (A) and a diagram (B) of two types of white blood cells.
Identify the two white blood cell types identified as A & B. [ 2 ]
(iii) State where in the body that white blood cells are manufactured [ 1 ]
(iv) State ONE difference between the structure of a white blood cell and that of a red blood cell. [1]
(v) In terms of white blood cells, explain "Histocompatability Testing" and under what circumstances could this test be required. [ 4 ]
[Total: 10]
