Structure Of The Cardiovascular System
THE HEART-The heart and the brain are perhaps the most important organs in your body.Chambers Of The Heart-There are four chambers in the heart. Each of two smaller chambers is called an atrium. The two larger,lower chambers are called ventures.
Circulation In The Heart
Blood delivers oxygen,hormones,and nutrients to the cells and carriesaway wastes that the cell produce. About 55 percent of total blood.
are cells that prevent the body's loss of blood. They gather at the site of an injury and release chemicals.
Clear fluid that fills the spaces around body cells. It is transported by the lymphatic system to the heartand returns to the blood.
B-Cells And T Cells
B cells are lymphocytes that stimulate to multiply,T cells enlarge than multiply