Tim Taylor is a senior writer at Innerbody Research focusing on human anatomy and physiology. Tim earned both his Bachelor of Science degree in Biology and his Master's degree in Teaching from the University of Pittsburgh.

Last updated: May 5th, 2025

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The bronchus is the air passage into the lungs. Each lung has one main bronchus, which begins at the end of the trachea, or windpipe. The bronchus divides into smaller branches known as segmental bronchi, which then divide into bronchioles.

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