It passes through the ___ on its way to the voice box.

The voice box is also called the ___.

The ___ are situated in the voice box or larynx.

Next the air passes through the windpipe or ___.

From the windpipe or trachea the air passes into the right and left ___.

From the bronchi the air passes into smaller ducts called ___.

Once in the lungs, air enters tiny sacs called ___.

From the alveoli, oxygen enters the blood stream through tiny vessels called ___.