Across
- 3. Lower chamber of heart
- 5. Upper chamber of heart
- 7. Absorbs nutrients
- 9. Where digestion starts
- 10. windpipe
- 11. System that lets you breath
- 12. System that removes cellular waste and controls water balances
- 13. Helps with breathing
- 14. Tube that connects mouth and stomach
- 15. Leads from bronchi to alveoli
Down
- 1. Building block of everything living
- 2. Transports needed material through the body
- 4. Absorbs water
- 6. Filters waste from blood
- 8. Filter that blood goes through