| A | B |
|---|
| cell | basic building blocks of life |
| tissue | a group of the same type of cells that work together |
| organ | a group of tissues of different kinds working together to perform a task |
| cardiac | muscle: type of muscle that works without your thinking about it |
| smooth muscle | helps organs inside your body do their job |
| striated muscle | a muscle with light and dark stripes; a muscle you can control by thinking |
| system | a group of organs of the same type |
| joint | where the muscles attach to the bones |
