BIOL 1410 Lecture Notes - Lecture 21: Bronchiole, Arytenoid Cartilage, Serous Fluid

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Biol 1410: anatomy of the human body - lecture 21: respiratory system. Functions: air movement/breathing, exchange of oxygen and carbon dioxide between lungs and blood. Lungs lined with mucosa: epithelial tissue and connective tissue, ciliated pseudostratified columnar epithelium. Cilia sweep mucous to esophagus then mucous is swallowed: lamina propria, respiratory system structures. Bones dividing the nasal cavity: anterior hyaline cartilage, posterior part vomer ethmoid, maxillae palatine bones. Chonchae o o o superior middle inferior. Nasal meatuses: shallow groove located inferior to chonchae. Chonchae + meatuses: knock out dust, olfactory area. Function: warm, moisten air, lighten skull. Contains: pharyngeal tonsil, 2 nasal apertures, 2 eustachian tubes, oropharynx. Stratified squamous epithelium: to protect from abrasion caused by food passage. Contains: palatine tonsils, lingual tonsil, laryngopharynx. Structure: 9 hyaline cartilage, unpaired cartilages, thyroid cartilage anterior forms the adam"s apple, cricoid cartilage, epiglottis a ring covers the glottis while swallowing elastic cartilage, paired cartilages, arytenoid cartilage point of attachment for vocal cords.

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