Respiratory System - 1 views
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Euna Chang on 22 Jan 13(TRAY-kee-uh} is sometimes called the windpipe. The trachea filters the air we breathe and branches into the bronchi.Trachea The trachea Contents (BRAHN-ky) are two air tubes that branch off of the trachea and carry air directly into the lungs. Bronchi The bronchi Contents (DY-uh-fram). When you breathe in, the diaphragm contracts.