The Respiratory System

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Author:
irlupz
ID:
147700
Filename:
The Respiratory System
Updated:
2012-04-15 04:34:49
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Respiratory System
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Description:
The Respiratory System
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  1. Respiratory System
    organ system specialized to provide oxygen to the blood and remove carbon dioxide from it.
  2. inspiration
    inhaling
  3. expiration
    exhaling
  4. conducting division of the respiratory system
    passages that serve only for airflow, essentially from nostrils through the bronchioles
  5. respiratory division
    consists of the alveoli and other distal gas-exchange regions
  6. upper respiratory tract
    arway from the nose through the larynx
  7. lower respiratory tract
    the respiratory organs of the thorax
  8. nose functions
    • warms, cleanses, and humidifies inhaled air
    • detects odors in the airstream
    • serves as resonating chamber that amplifies the voice
  9. nostrils
    • aka nares
    • pair of anterior openings that extend to form nose
  10. posterior nasal apertures
    • aka choanae
    • pair of posterior openings
  11. lateral and alar cartilages
    support inferior half of the facial part of the nose
  12. ala nasi
    • flared portion at the lower end of the nose
    • shaped by the alar cartilages and dense connective tissue
  13. nasal cavity
    bgegins with a small dilated chamber callled th vestibule

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