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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation2 Marks
Question
Differentiate between RBCs and WBCs.
✓

Answer

S. No
RBCs
WBCs
(a)
They do not have nucleus at maturity.
They have a large characteristic nucleus.
(b)
They possess haemoglobin and are red.
They are colourless as they have no pigment.
(c)
They help in transport of respiratory gases.
They help in defence mechanism.
(d)
They are about 5 million/ mm2 of blood.
They are about 7000/ mm2 of blood.

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