| A | B |
|---|
| arthrosclerosis | disease caused by thickening of the inner lining of the arteries |
| connective tissue | tissue that provides support for the body and unites its parts |
| epithelial tissue | type of tissue that forms a protective surface for the body and lines the cavities |
| marrow | soft material inside a bone and produces red blood cells |
| muscle tissue | type of tissue that has the ability to contract and make the body move |
| nerve tissue | tissue that carries messages back and forth between brain and body |
| organ | group of tissues working together |
| organ system | group of organs working together to perform certain functions |
| synapse | tiny gap between an axon and a dendrite (nerve cells) |
| tissue | group of cells working together to perform a special function |
