| A | B |
|---|
| blood (n) | the fluid that carries oxygen and nutrients to all the cells of the body and then takes waste away |
| blood vessels (n) | tubes that carry blood around the body; includes arteries, veins, capillaries |
| circulatory system (n) | the body system that takes blood to all parts of the body |
| artery (n) | type of blood vessel that carries blood away from the heart |
| vein (n) | type of blood vessel that carries blood back to the heart |
| capillary (n) | tiny blood vessel that is only 1 cell thick |
| lungs (n) | organs that get oxygen into the body through breathing |
| oxygenated (adj) | having plenty of oxygen |
| deoxygenated (adj) | lacking oxygen |
| aorta* (n) | the main artery that carries oxygenated blood from the left side of the heart to the rest of the body |
| atrium* (n) | an upper chamber of the heart that receives blood and pumps it to the ventricle |
| ventricle* (n) | a lower chamber of the heart that receives blood from the atrium and pumps it to the lungs and the rest of the body |
