The plasma component that forms fibrin, the insoluble protein, in a blood clot is ________.

A) Na⁺
B) albumin
C) globulin
D) fibrinogen
E) fibrinolysis

Fibrin

Elastic filamentous protein derived from fibrinogen by the action of thrombin, which releases peptides from fibrinogen in coagulation of the blood.

Fibrinogen

A plasma protein produced by the liver, crucial for blood clotting as it is converted into fibrin in the clotting process.

Plasma Component

The liquid part of blood that carries cells and proteins throughout the body, consisting mainly of water, electrolytes, and proteins.