A) oxygenation of blood
B) movement of blood
C) heparin in blood
D) absence of fibrinogen in blood
Correct Answer: C
Solution :
The blood does not clot inside the body because of heparin in blood. Heparin is a highly sulfated glycosaminoglycan. It is widely used as an injectable anricoagulant and has the highest negative charge density of any known biological molecule.
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