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Blood

Question

Find the correct match about blood.

Moderate

A

Formed elements : About 55% of the blood
B

Plasma : About 45% of the blood
C

Haemoglobin : About 12-16 gm per 100 ml of blood
D

WBCs : 5 millions to 5.5 millions per mm^–3 of blood.

Solution

A healthy individual has 12-16 gms of haemoglobin in every 100 ml of blood.
A healthy adult man has, on an average, 5 millions to 5.5 millions of RBCs mm^–3 of blood.
Plasma is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood.
Erythrocytes, leucocytes and platelets are collectively called formed elements and they constitute nearly 45 per cent of the blood.

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