Across
- 1. breaks down nutrients
- 6. test for sugars
- 7. where photosynthesis occurs
- 10. microscopes use light to form an image of a specimen and magnify it
- 12. carry electrical signals from one part of the body to another
- 13. flaps that open and close to prevent backflow from blood
- 15. a group of cells that work together to perform a specific function
Down
- 2. contains genetic material the controls activiies in cell
- 3. a drug to reduce the risk of getting high cholesteral
- 4. air sacs where gas exchange occurs
- 5. a basic building block of all living things
- 8. where proteins are made in cell
- 9. where bile is produced
- 11. stores digestive juices
- 13. they have thin walls
- 14. movement of particles from high concentration to low