Across
- 2. atoms united in a particular way
- 5. The smallest unit,forms organisms
- 10. molecule that stores energy
- 12. molecule made of carbon and oxygen
- 13. Parts that form a complex whole
- 14. Transmits messages to the body
- 16. takes in oxigen and releases CO2
- 17. a gas with the atomic # of 8
Down
- 1. used by the body to grow
- 3. claim supported by evidence
- 4. releases energy into cells
- 6. takes food and breaks it down
- 7. important molecules for organisms
- 8. Unit of tissues to do a function
- 9. molecule used to release energy
- 11. sends molecules throughout the body
- 15. molecular components of proteins