Upper Respiratory Tract

Upper Respiratory Tract

Author: Nathan Lampson

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

See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

27 Sophia partners guarantee credit transfer.

245 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 21 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

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).