Body Fluids and Circulations

Question

The blood does not clot inside the body because of

  • oxygenation of blood

  • movement of blood

  • heparin in blood

  • absence of fibrinogen in blood

Answer

C.

heparin in blood

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 anticoagulant and has the highest negative charge density of any known biological molecule.

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