Across
- 3. a collection of tissues
- 5. helps with breathing
- 8. an organ that exchanges
- 9. stores urine
- 11. transports oxygen and etc around the body
- 13. found in the kidney
- 15. system that breaks foods down into smaller pieces
Down
- 1. windpipe
- 2. the passage that directs air into the lungs
- 4. filters waste from blood
- 6. where digestion begins
- 7. liquid part of blood
- 10. a blood cell that fights diseases
- 12. absorbs water
- 14. the function in living things