Question

Study the following diagram carefully and then answer the questions that follow:

(c) Mention two structural differences between 1 and 2.

Answer 1

Red Blood cell (1)	White blood cell (2)
Red blood cells are minute biconcave disc-like structures, flat in the center and thick and rounded at the periphery.	Amoeboid-shaped and can produce pseudopodia, with which they can squeeze through the walls of the capillaries into the tissues.
Red blood cells contain haemoglobin and do not have nucleus.	They have a nucleus and do not contain haemoglobin.