Across
- 1. the basic unit of structure and function in all living things
- 4. the heart and blood vessels make up the _________ system
- 6. groups of similar cells that work together to perform a specific job
- 7. covers the surface of your body
- 8. a group of organs that work together to perform a major function
- 9. help make your body move
- 10. a group of tissues that work together to perform a specific job
- 11. cells act are similar in size and shape
Down
- 2. the thyroid gland, pituitary gland, and pancreas make up the __________ system
- 3. carry messages back and forth between your body and the brain
- 5. the nose, mouth, trachea and lungs make up the __________ system