Skip to main content
. Author manuscript; available in PMC: 2021 Jun 21.
Published in final edited form as: Toxicol In Vitro. 2017 Dec 22;48:53–70. doi: 10.1016/j.tiv.2017.12.011

Fig. 3.

Fig. 3.

Comparative respiratory tract anatomy and airflow in the upper respiratory tract. Illustrations courtesy of Dr. Jack R. Harkema, Professor of Comparative Pathology, Michigan State University.