Across
- 3. respiratory tract it includes the nose and nasal passages, paranasal sinuses, the pharynx, and the portion of the larynx above the vocal folds
- 5. it is the passage by which air reaches a person's lungs
- 6. it is also known as the oral cavity
- 9. cartilage it lies below the thyroid cartilage and marks the lower portion of the larynx
- 10. it is where the food and the air passes through
- 11. are any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange
- 14. it is the part of the alimentary canal that connects the throat to the stomach; the gullet. In humans and other vertebrates it is a muscular tube lined with mucous membrane
- 15. it is also known as the windpipe
- 18. it is the lower floor of the pharynx
- 20. ventilation is the process of moving air into and out of the lungs to facilitate gas exchange
- 21. are the air passages into the lungs that begin at the end of the trachea
- 23. it is a thing, leaf- shaped structure at the superior border of the larynx
- 25. it is the middle floor of the pharynx connects anteriorly to the mouth
- 26. respiration is the exchange of gases between the blood in capillaries and the tissues of the body
- 27. respiration is the exchange of gases between the air filling the alveoli and the blood in the capillaries surrounding the walls of the alveoli
Down
- 1. it is the process of breathing
- 2. cartilage is actually two tiny conical nodules
- 4. it holds an open the anterior end of the larynx and protects the vocal chords
- 6. of respiration are those muscles that contribute to inhalation and exhalation, by aiding in the expansion and contraction of the thoracic cavity
- 7. it protects the nasal passageways and other parts of the respiratory tract, filtering out dust and other particles that enter the nose with the breathed air
- 8. it is located above the soft palate
- 12. it is also known as the voice box
- 13. it acts as the functional unit of the respiratory system by passing oxygen into the body and carbon dioxide out of the body
- 16. it is the action or process of exhaling
- 17. it is the action or process of inhaling
- 19. it is also known as the throat
- 22. it forms the main external opening for the respiratory system and are the first section of the body’s airway
- 24. cartilage is a pair of little triangle-shaped cartilages
- 28. respiratory tract it includes the larynx, trachea, bronchi, and lungs — compare upper respiratory tract.