Across
- 3. A type of energy storage of molecules connected
- 4. a category of large molecules
- 9. A chemical reaction releasing energy cells
- 11. a molecule that organisms can use to release energy
- 14. molecules made of carbon and oxygen
- 16. A set of parts working together
- 17. The body system that takes in food
Down
- 1. A claim supported by evidence
- 2. a group of atoms combined together
- 5. A collection of tissue to perform a specific function
- 6. A type of cell that sends messages from the body to the brain
- 7. The body system that transports molecules
- 8. The smallest unit that can live on its own
- 10. the body system that takes in oxygen
- 12. molecules and building blocks
- 13. the body’s use of molecules for energy and growth
- 15. what you breath