Across
- 3. uses o2 to break apart glucose
- 4. organ that filter blood
- 6. in chest
- 9. air sacs in lungs
- 10. tube
- 12. system -organs that break food down into
- 13. small part of kidney that filter blood
- 14. push food through the digestive system
Down
- 1. digestion- food broken into smaller pieces
- 2. that connect the bladder and kidneys
- 5. system- regulates liquid in the blood
- 7. what the body needs but doesin't make
- 8. waste
- 11. brings in o2 removes co2