Breathing and Exchange of GasesHard

Question

The component of blood which prevents its coagulation in the blood vessels is

Options

A.hemoglobin
B.plasma
C.thrombim
D.heparin

Solution

Blood contains an aniticoagulant called haparin, which prevents the activation of prothrombin. The latter is an inactive globulin which is required during blood coagulation. Heperin released from the mast-cell granules.

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