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.
Blood clotting in the body is orchestrated through two initiation pathways, the extrinsic pathway and the intrinsic pathway, both of which ultimately stimulate a final, common coagulation pathway.oth the extrinsic and intrinsic pathways ultimately activate clotting factor X, which in turn converts prothrombin (factor II) to thrombin. Thrombin is an enzyme that converts the inactive, soluble protein fibrinogen into the active, insoluble protein fibrin.