| A | B |
|---|
| plasma | the fluid in which other parts of the blood are suspended |
| hemoglobin | the oxygen carrying protein in blood |
| platelets | types of cells in the blood that cause blood clots to form |
| capillaries | small vessels that carry blood from arterioles to small vessels called venules, which empty into veins |
| lymph | the clear fluid that fills the spaces around body cells |
| pathogen | a microorganism that causes disease |
| blood pressure | a measure of the amount of force that the blood places on the walls of blood vessels, particularly large arteries, as it is pumped through the body |
| atria | two top chambers |
| ventricles | two lower chambers |
| red blood cells | contain hemoglobin which carries oxygen |
| white blood cells | cells that protect the body against infection |
| Systolic pressure | (first number) – pressure at it’s highest point |
| Diastolic pressure | (second number) – pressure at it’s lowest point or at rest |
| congenital heart defect | present at birth Hole in the septum or wall of the heart |
| heart murmur | abnormal sounds as blood flows through the heart |
| varicose veins | valves in the veins do not close properly and blood backflows |
| anemia | – the ability of the blood to carry oxygen is reduced; usually caused by iron deficiency |
| blood | the fluid that delivers oxygen, hormones, and nutrients to the cells and carries away wastes. |
| blood vessels | a network of passageways that carry blood throughout the body |
| arteries | carries oxygenated blood away from the heart |
| veins | returns blood to the heart |
| healthy blood pressure | 120/80 |
| high blood pressure | 140/90 |
| hemophilia | inherited disorder where the blood does not clot properly |
| leukemia | a form of cancer where an excessive amount of white blood cells are produced |
