Across
- 1. voice box
- 2. push blood away from heart
- 5. filter waste from blood to keep clean
- 9. bottom two chambers
- 10. produces bile to break up fat
Down
- 1. expands for air
- 2. top two chambers
- 3. tissue flap at entrance of the trachea
- 4. pushes food down to the stomach
- 6. hollow tube that air travels through
- 7. pumps blood around body
- 8. pumps blood around the body