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| Term | Definition |
|---|---|
| pericardium | the membrane enclosing the heart, |
| veins | carrying in most cases oxygen-depleted blood toward the heart. |
| capillaries | any of the fine branching blood vessels that form a network between the arteries and veins |
| arteries | blood from the heart to all parts of the body. |
| oxygenated | has oxygen |
| deoxygenated | has no oxygen |
| agglutination | a reaction in which particles in a liquid collect |
| ventricles | a hollow part or cavity in an organ, in particular each of the two main chambers of the heart, left and right. |
| atria | the left atrium receives oxygenated blood from the pulmonary vein |
| septum | the chambers of the heart. |
| valves | opens or closes to let things through or to prevent passage |
| antibodies | Y-shaped protein produced mainly by plasma cells that is used by the immune system |
| pulse | rhythmic beating in the arteries caused by the beating of the heart. |
| plasma | fluid in blood that makes up the 55% of the total blood |
| platelets | are formed in bone marrow, where they arise from cell |
| white blood cells | help protect the body from infection and disease |
| red blood cells | transports oxygen and carbon dioxide to and from the tissues |
| vaccine | contains an agent that resembles a disease-causing |
| immunity | the balanced state of multicellular organisms |
| cancer | cells divide without control and can invade nearby tissues. |