| Term | Definition |
| arteries | the tubes that carry blood away from the heart |
| capillaries | the very small tubes that connec the arteries and veins |
| circulatory system | the body system that moves blood around the body |
| consume | use up or eat |
| critical | that something criticizes |
| digestion | the act of degesting |
| explain | make something easier to understand |
| explanation | noun...something that explains |
| explanatory | adj...that something explains |
| heart | the pum that moves the blood |
| productive | adj....that something produces a lot of things |
| protect | to guard |
| simile | a statement that tells how things are the same |
| veins | the tubes that carry blood back to the heart |