respiratory system

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Author:
looneygirl
ID:
136003
Filename:
respiratory system
Updated:
2012-02-17 13:47:04
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Description:
basics of respiratory system
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  1. the respiratory system consists of passages that
    filter incoming air and transport it into the lungs and to the many microscopic air sacs where gases are exchanged.
  2. respiration is the process of
    exchanging gases between the atmosphere and body cells
  3. respiration consists of
    ventilation, external respiration, transport of gases, internal respiration, cellular respiration.
  4. gas exchange, oxygen, and carbon dioxide, occure at the
    cellular and molecular levels.
  5. Aerobic reactions of cellular respiration allow for
    ATP production, carbon dioxidegeneration forming carbonic acid 36 ATP
  6. Upper respiratory tract consists of
    nose, nasal cavity, sinuses, pharynx
  7. lower respiratory tract
    Larynx, trachea, bronchial tree, lungs.
  8. the nasal conchae
    support the mucous membrane that lines the nasal cavity and help increase it surface area.
  9. sinuses air filled spaces in the
    frontal, sphenoid, ethmoid , and maxillary bones of the skull.
  10. the pharynx is
    posterior to the oral cavity and between the nasal cavity and the larynx.
  11. three parts of the pharynx are
    nasopharynx, oropharynx, laryngopharynx
  12. the larynx if an enlargement in the airway
    superior to the trachea and inferior to the pharynx. it is composed of a framework of muscles and cartilages bound by elastic tissue. It also houses the vocal cords.
  13. the Trachea windpipe is a flexible cylindrical tube
    it extends downward anterior to the esophagus and into the thoracic cavity it splits into right and left primary bronchi.
  14. Carina is the split between
    the right and left main bronchi
  15. Alveoli
    provides surface area for gas exchange.
  16. Right lung has
    three lobes
  17. Left lung has
    two lobes.
  18. air irritant
    asbestos

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