Blood clots are formed from ____, which sticks to the damaged area of the blood vessel, creating a mesh that entraps blood cells and platelets.

A) fibrin
B) albumin
C) globulin
D) serum
E) urea

Fibrin

A protein involved in the blood clotting process, which works by forming a fibrous mesh that impedes the flow of blood.

Blood Vessel

Tubular structures carrying blood through the tissues and organs; a vein, artery, or capillary.

Blood Clot

A mass formed by the coagulation of blood in a part of the circulatory system, stopping bleeding or blocking a vessel.