Differentiate between RBCs and WBCs.

Answer»

RBC	WBC
(a) They do not have nucleus at maturity.	(a) They contain a large characteristic nucleus.
(b) They possess haemoglobin and hence red.	(b) They are colourless and contain no pigment.
(c) They help in transport of respiratory gases.	(c) They help in defence mechanism.
(d) They are about 5 million / mm³ of blood.	(d) They are about 7000 / mm³ of blood.

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