Across
- 3. cartilage the protects the vocal cords in the larynx
- 7. sac-like structures with simple squamous epithelium, surrounded by capillaries
- 8. a membrane that lines the inside of the thoracic cavity
- 10. a thin layer of tissue that covers the lungs & lines the inside of the chest cavity
- 14. the dividing of the trachea into 2 bronchi
- 15. a thin, fluid-filled cavity between the lungs & the chest wall
- 20. air-filled sacs that equalise air pressure of the eardrum in equines
- 22. the type of muscle that allows the trachea to narrow when food is travelling down the oesophagus
- 24. a behaviour that allows animals to absorb/process new smells & pheromones
- 27. the type of gland found in reptiles & birds that help to maintain a salt balance & preserve water
- 28. muscle that makes small adjustments to the vocal ligaments when speaking/singing allowing for precise changes in pitch
- 29. cartilage that causes the epiglottis to open & close
- 31. the upper part of the pharynx that connects the back of the nose to the back of the mouth
- 37. thin, bony plates in the nose that are lined with respiratory epithelium and produce mucus
Down
- 1. air-filled cavities lined with ciliated mucus epithelium that lightens the weight of the skull
- 2. chonchae covered in olfactory epithelium to detect odours
- 4. divides the alar fold into 2 chambers
- 5. chambers filled with scrolls of bone/cartilage in an nasal cavity epithelium
- 6. the organ that detects pheromones, located in the roof of the mouth
- 9. when the epiglottis fails to open & close efficiently causing breathing difficulties
- 11. a controlled airflow that moves in one direction
- 12. part of the brain that has 300 million receptors for the sense of smell in dogs
- 13. small tubes that the bronchi divide into, made up of smooth muscle
- 16. a flap of cartilage that covers the windpipe when you swallow to prevent food from entering your lungs
- 17. bulb-shaped openings of the front of the nose
- 18. where air enters the respiratory tract
- 19. a ring of hyaline cartilage that forms the bottom of the larynx and surrounds the trachea
- 21. a hollow tube surrounded by C-shaped cartilage rings & trachealis muscle
- 23. gaps in cartilage
- 25. a floating bone on the larynx that tongue muscles attach to
- 26. the region at the back of the mouth made up of hard/soft palates to separate the nasal cavity & mouth
- 30. internal nostrils that connect the nasal cavity to the upper respiratory tract
- 31. the number of air sacs that most bird species have
- 32. the voice box of a bird that allows it to produce to 2 notes simultaneously
- 33. the type of membrane that lubricates the respiratory tract & protects organs/cavities within it
- 34. the term used for nose pad
- 35. the lower part of the pharynx that serves as a passageway for air, food & water
- 36. the bone that separates the nasal cavity from the cranial cavity
- 38. the middle section of the pharynx involved in swallowing & speaking