BREATHE EASY
OPTIONS OFFERED FOR RESPIRATORY CARE
by Richard Robinson

Illustration:
Diagram showing lungs, pharynx, trachea, bronchi, bronchioles and alveoli
As the diaphragm pulls downward and muscles in the rib cage pull the ribs outward, air moves into the lungs, down the pharynx (throat) and into the trachea, and then down into the bronchi, bronchioles and, finally, the alveoli, the air sacs.

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