Across
- 3. molecule organisms use to get air from
- 6. chemical reaction that releases energy into cells
- 10. molecule organisms use to release energy
- 11. body system that takes in O and releases CO2
- 14. claim supported by evidence
- 15. cell that sends and receives information
Down
- 1. collection of tissues that form a function
- 2. set of parts forming a complex system
- 4. body system that breaks down food
- 5. body’s use of molecules for energy
- 6. molecule made of carbon and oxygen
- 7. protein building blocks
- 8. body system that transports molecules
- 9. set of molecules that perform inside living organisms
- 12. energy storage molecule made of glucose
- 13. smallest unit of a living thing
