1987744
Description
| Question | Answer |
| 1. CHEMICAL | - atoms combine to form molecules |
| 2. CELLULAR LEVEL | - molecules combine to form cells - cells are the smallest living units of body (trillions of cells) |
| 3. TISSUE LEVEL | - group of cells that works together to perform a common function - 4 tissue types: *Epithelial *Connective * Muscle * Nervous |
| 4. ORGAN LEVEL | - made up of more than one tissue (discrete structure) - the structure of an organ is arranged so it can perform a certain unique function - e.g. liver, heart, brain |
| 5. ORGAN SYSTEM LEVEL | - a group of organs that work together to perform a certain function - e.g. cardiovascular system |
| 6. ORGANISM | - organ systems put together to make a living organism |
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