23 - NLeaders

Trachea Tube in throat that takes air to and from lungs. Bronchi Two tubes that branch from the trachea; one tube leads to each lung. Lungs Two large organs that exchange oxygen and carbon dioxide. Diaphragm Large dome-shaped muscle below the lungs that expands and relaxes to produce breathing. How Breathing Works. Breathing consists of three ... ................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download