Study the diagrams given below and answer the questions tht follow:

Identify the phenomenon occurring in A. Explain the phenomenon.

Explanation

(i) Cell labeled A in the diagram is red blood cell.
(ii) The phenomenon in part (a) is diapedesis.
(iii) Structural differences between A (RBCs) and B (WBCs) are:

(iv) Phagocytosis is the process occurring in (b) and (c).
(v) During this phenomenon, the WBC engulfs the disease causing germs that enter the body and thus, defend our body from these organisms.