Across
- 3. destroy bacteria
- 4. made up of neurons
- 7. smallest living unit
- 9. primary function is to contract which makes body parts move
- 11. made up of similar cells that are specialized to carry on particular functions of the body
- 12. stores fat
- 13. found in the heart
Down
- 1. sheets that cover all body surfaces inside and out
- 2. bind structures together in the body
- 5. produces blood cells
- 6. two or more tissues grouped together and performing specialized functions
- 8. found in walls of hollow internal organs
- 10. responsible for arms, legs, trunk, and head