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.
Hemosiderin is a pigment that is a byproduct of hemoglobin that has spread into the tissues following injury with bleeding and bruising of the tissues. It contains iron pgiment and may take along time (years) for the body to metaoblize the iron and pigment that has spread into the tissues. Otto Joseph Placik, MD.