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Upper Respiratory Tract

Upper Respiratory Tract

Author: Nathan Lampson
Description:

This lesson will give an overview of the major structures and functions associated with the upper respiratory tract.

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Tutorial
Terms to Know
Epiglottis

Covers the larynx during swallowing to prevent food or liquids from entering the lungs.

Larynx

The airway in which sound is produced (commonly known as the “voicebox”).

Nasal Cavity

The main cavity through which air is drawn in from the outside environment.

Oral Cavity

A secondary cavity through which air is drawn in from the outside environment.

Pharynx

Connects the nasal cavity to the mouth (commonly known as the “throat”).

Trachea

Connects the larynx to the lower respiratory tract (commonly known as the windpipe).