Notes 6 - Respiratory System Includes the passage that transport air to from the lungs the air sacs in which gas exchanges occur Respiration is the

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Respiratory System Respiration [TOP TO BOTTOM… IN ORDER] I. Nose Nasal Cavity: Functions to filter, warms, & moistens the incoming air - Happens in inspiration Sinuses : Spaces in the bones of the skull - Potential places for infection, allergic reactions Pharynx Larynx : Contains the vocal cords Trachea : Extends into the thoracic cavity in front of the esophagus - Has empty space; non collapsible Bronchi: Major divisions of trachea that enter the lungs Bronchial tree : Consists of branched air passage that lead from the trachea to the air sacs [into lungs] Lungs Alveoli : 300 million air sacs
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This note was uploaded on 03/11/2008 for the course BI SC 004 taught by Professor Mitchellameliav during the Spring '08 term at Pennsylvania State University, University Park.

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Notes 6 - Respiratory System Includes the passage that transport air to from the lungs the air sacs in which gas exchanges occur Respiration is the

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