← Chapter 22
Anatomy & Physiology · Chapter 22

The Respiratory Tract

Follow a breath of air from your nose all the way down to the tiny air sacs where gas exchange happens. Tap each structure along the way.

Nasal cavity

The respiratory tractnose → alveoli

The airway

📷 Reference image
A real labeled figure to compare with the interactive above.
The Respiratory Tract reference figure
The Respiratory Tract — OpenStax, CC BY 3.0 (via Wikimedia Commons)