Across
- 5. system the heart and veins
- 8. system includes the lungs
- 9. the building blocks of cells
- 11. unicellular organisms that cause disease
- 12. acid comes from protein
- 16. the size of things relative to others
- 18. are used to combat harmful bacteria
- 20. can only be seen with a microscope
Down
- 1. by definition means living things
- 2. comes from starch
- 3. system breaks down food
- 4. how the body obtains and converts energy
- 6. the gas in the air we breath
- 7. smallest living units that make your body
- 8. goes with claim and evidence
- 10. respiration needs both oxygen and glucose
- 13. good bacteria that live inside your body
- 14. goes with a claim and reasoning
- 15. alive and cant be seen with the naked eye
- 17. goes with evidence and reasoning
- 19. a group of separate parts working together