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ch 22 Respiratory

Ch 22 handout

QuestionAnswer
functions of respiratory system 1) air passage and movement 2) exchange of gases (oxygen and CO2) 3) Produce speech - larynx 4) maintain ph of blood
made of ethmoid bone, cartilage and ciliated epithelial Nose
ciliated epithelium and goblet cells which produce mucous NASAL MUCOSA ***
parts of paranasal sinuses (air cavities) frontal, maxiliary, sphenoidal and ethmoid
three pharyngeal regions nasopharynx, oropharynx, laryngopharynx
-pharyngeal region behind the nasal cavity, passage for air. nasopharynx
-pharyngeal region that are both passage for air and food oropharynx and laryngopharynx
oropharynx's later walls palantine tonsils
3 functions of larynx 1) provides passageway to trachea from pharynx 2) voice production (vocal cords) 3) acts as a switching mechanism to route air and food into proper channels.
structures of larynx 1) thyroid cartilage 2) epiglottis 3) vocal cords
large piece of cartillage on anterior surface of neck. usually called "adam's apple" Thyroid cartillage
upper cartilage acts as a flap, with swallowing, it prevents food, air or fluid from entering into the larynx and going into trachea epiglottis
composed of muscle and elastic ligaments covered by mucus membrane. located on either side of glottis, below the epiglottis, vibrates and produces sounds vocal cords
transports air from upper airway to brochi and lungs trachea
paired organs located on either sides of the heart, encircled and protected by the rib cage. lungs
bottom portion of lungs, sits on diaphragm base
superior tip of lungs at level of clavicle apex
indentation on medial surface of each lung where primary bronchus and pulmonary artery and vein enter lungs hilus
pleura-serous membrane that lines chest wall parietal
pleura-serous membrane lies on surface of lungs visceral
Created by: jekjes
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