Across
- 4. increase surface area in the small intestine
- 6. warms air, moistens air and filters air
- 7. rhythmic movement that pushes food downwards
- 8. connects mouth to windpipe
- 9. first 25cm of small intestine, "chemical city"
- 12. artery that takes oxygen poor blood to the lungs to be oxygenated
Down
- 1. windpipe
- 2. the chamber where oxygen poor blood comes in to the heart
- 3. valve inbetween right atrium and ventricle
- 5. voice box/vocal chords
- 10. osmotic environment when the water concentration is the same inside and outside the cell
- 11. branches that carry air to the bronchioles
- 12. accessory organ in the digestive system which secreates pancreatic amylase
- 13. movement of water through a cell membrane
- 14. air sacs where diffusion of oxygen and carbon dioxide can be exchanged in the blood