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.
Materials are exchanged between blood and body tissues through the walls of blood vessels. Thus blood vessels are pathways of blood flow in human body. There are three main types of blood vessels; Arteries, Capillaries and Veins. For more details on types of blood vessels, visit:ââ.BLOOD: Blood is a specialized tissue of body that exists in fluid form. It is one of the five basic types of tissues of human body. (Blog post:Basic tissue types of Human Body).aterials are exchanged between blood and body tissues through the walls of blood vessels. Thus blood vessels are pathways of blood flow in human body. There are three main types of blood vessels; Arteries, Capillaries and Veins. For more details on types of blood vessels, visit:ââ.