Overview of the Respiratory System
Pharynx and Larynx
Air passes through the pharynx to the larynx. From there, it continues through an opening in the vocal cords (called the glottis) and proceeds into the trachea.
In many mammals, the larynx also functions as a voice box. It is important in producing pitch in human voices.
- Raven, P.H. (2005). Biology, 7th Edition. New York, NY: McGraw-Hill.
- Illustration courtesy of the National Institute on Deafness and Other Communication Disorders, NIH.
- Campbell, N.A., and Reece, J.B. (2008). Biology, 8th Edition. San Francisco, CA: Pearson Benjamin Cummings.
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