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BIOL 301 (42)
Lecture

Respiratory system.docx

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Department
Biology
Course
BIOL 301
Professor
Vivian Dayeh
Semester
Winter

Description
Respiratory system Nose:  ­ external  ­ internal nasal cavity Nasal Conchae:  ­ superior and middle nasal conchae ­ inferior nasal choncae Pharynx ­ nasopharynx ­ oropharynx ­ Laryngopharynx Larynx ­ 3 unpaired cartilages:  o epiglottis  o thyroid cartilage o cricoid cartilage  ­ 3 paired:  o cuneiform cartilages o corniculate cartilages  o arytenoid cartilages: anchor vocal cords  trachea ­ terminate at carina and divide to bronchus  ­ carina  Bronchi  ­ primary bronchi ­ secondary(lobar)bronchi (3 right, 2 left) ­ tertiary(segmental) bronchi  ­ Bronchioles ­ Terminal bronchioles  ­ Respiratory bronchioles  Respiratory zone ­ respiratory bronchioles  ­
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