Also see user session. In telecommunication, a session is a series of interactions between two communication end points that occur during the span of a single connection.
The path of blood through the heart begins with the right atrium receiving blood, which has circulated through most of the body. This blood is relatively low in oxygen because most of it has already been delivered to different organs and tissues.
The stabilzed meshwork of fibrin fibers is now a clot that traps red blood cells and platelets and thus stops the flow of blood. Extrinsic Pathway. The extrinsic pathway is triggered by tissue damage outside of the blood vessel. This pathway acts to clot blood that has escaped from the vessel into the tissues.