Respiratory System

Respiratory System

Chapter 13Page 404 407 Respiratory SystemNoseNostrilscontains hairs that trap large debris

http://www.thedailyblarg.com/wp-content/uploads/2011/05/nose-picture.jpgNasal CavityRespiratory Mucosasecretes mucus which moistens air and trap bacteriarich in thin-walled veins which warms air

Nasal CavityConchaeIncreases the surface area of the mucosa exposed to the aircreates turbulence for particles to get trapped in the mucosa

http://img.tfd.com/dorland/thumbs/concha_nasi-inferior.jpgNasal CavityParanasal sinusesproduces mucus that drains into the nasal cavity

http://img.webmd.com/dtmcms/live/webmd/consumer_assets/site_images/articles/image_article_collections/anatomy_pages/SINUS2.jpgNasal CavityNasolacrimal ductsdrain tears into nasal cavity

http://www.oculuscosmetic.com/images/lacrimal.jpgPharynxmucus reaching this area gets swallowed and digested Nasopharynx (pharyngeal tonsils - adenoids)Oropharyx ( palatine tonsils)laryngopharyx (lingual tonsils)

http://www.mayoclinic.com/images/image_popup/c7_nasopharynx.jpgLarynx (Voice Box)Epiglottisdiverting food into the esophagusThyroid cartilageAdams apple

http://www.biologycorner.com/anatomy/respiratory/Larynx%20front.jpgLarynx (Voice Box)Vocal folds (True vocal cords)vibrate when air passes throughresponsible for the sound of out voice

http://www.mayoclinic.org/images/vocalbreathing-enlg.jpg

http://www.bbivar.com/vidimg/vocal_cord_dysfunction.jpgTrachea (Windpipe)Goes down until midchest area (5th thoracic vertebra)Composed of hyline cartilage (C shaped rings)expands when swallowing large piece of food keeps trachea openLined with ciliated mucosaPropels mucus, loaded with dust particles and other debris away from lungs