metableils vocond
Across
- 1. a set of connecting parts
- 3. car exhaust
- 7. a gas that has 8 electrons
- 8. a molecule that the body uses for energy
- 9. reaction between oxygen and glucose
- 11. large molecules that the body needs
- 13. protein building blocks
- 16. takes food and breaks it down in the body
- 17. smallest unit of life
Down
- 2. a claim supported by evidence
- 4. takes oxygen to the body systems
- 5. group of atoms
- 6. a cell that sends messages to the brain
- 10. carries oxygen throughout the body
- 12. energy storage of glucose
- 14. a group of tissues
- 15. the body breaks down glucose and oxygen