A&P - CH21 A

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Across
  1. 4. windpipe
  2. 6. hairs that line the inside of the nasal cavity that filter particles inspired
  3. 9. movement of air into and out of lungs
  4. 10. conduits that transport gas to and from exchange sites
  5. 13. exchange of O2 and CO2 between systemic blood vessels and tissues
  6. 14. the only external portion of the respiratory system
Down
  1. 1. also known as vocal cords
  2. 2. exchange of O2 and CO2 between lungs and blood
  3. 3. inflammation of the vocal folds that causes them to swell
  4. 5. site of gas exchange
  5. 7. covering of elastic cartilage that covers the laryngeal inlet during swallowing
  6. 8. this portion of the respiratory system consists of the larynx, trachea, bronchi, and lungs
  7. 11. inflammation of nasal mucosa
  8. 12. also known as the voice box