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 veins transport the blood that has been used by the bodyâs organs to the heart and lungs so that it can be re-oxygenated and pumped back to the rest of the body. The largest of the arteries in the human body is the aorta, bringing oxygenated blood to all parts of the body.The aorta begins at its connection to the left ventricle and distributes blood to the body.he veins transport the blood that has been used by the bodyâs organs to the heart and lungs so that it can be re-oxygenated and pumped back to the rest of the body. The largest of the arteries in the human body is the aorta, bringing oxygenated blood to all parts of the body.