Across
- 1. Volume of air in and out of lungs in 1 breath
- 4. Air- filled cavity within a bone
- 6. Single cell thickness blood vessel
- 10. Keratinised surface of the nose
- 12. Prevents food from entering trachea
- 13. Number of lung lobes in the dog
- 14. Metabolism without oxygen
- 15. Artery that carries de-oxygenated blood
Down
- 1. Made of C-shaped Hyaline cartilage
- 2. Sheet of muscle separating chest and abdomen
- 3. Makes up 79% of inspired air
- 5. Sac in lung where gaseous exchange takes place
- 7. Back of mouth shared by digestive and respiratory
- 8. Tube between pharynx and middle ear
- 9. Physical act of moving air in and out lungs
- 11. Another term for smell