| Term | Definition |
| makes up the blood | platelets plasma red and white blood cells |
| hypertension | a disored which a persons blood pressure is higher than normal |
| heart attack | when blood flow to part of the heart is blocked |
| white blood cells | disease fighters |
| platelets | cell fragments that play an important part of forming blood clotting |
| hemoglobin | iron containg protein binds to oxygen chemacals |
| blood transfusion | the tranference of blood from one person to another |
| atherosclerosis | a condition that a arteri wall is thickend as a result of build up of fatty materials |
| lymph node | a small knob of tissue that fillters lymph |
| lymph | the fluid that the lymphatic system collects and returns to the blood stream |
| lymphatic system | network of vein like vessels that returns the fluid to the blood stream |
| a | a and o |
| b | b and o |
| ab | a b ab and o |
| o | o |
| fibrin | forms a net of tiny fibers that trap red blood cells |