| A | B |
|---|
| capillary | smallest veins |
| hypertension | high blood pressure |
| platelets | helps blood clot |
| lymphocyte | type of white blood cell that destroys germs |
| atherosclerious | walls of the arteries get thicker |
| lymphatic system | system of vessels that collect and carry lymph |
| plasma | liquid part of blood |
| artery | blood vessel that carries blood away from the heart |
| white blood cells | blood cells which fight germs |
| red blood cells | carry oxygen |
| coronary artery | supplies the heart muscle itself with blood |
| heart attack | when cells in the heart die |
| pulse | the rise and fall of the artery in your wrist |
| transfustion | taking blood from one person and giving it to another |
