Sarah is a pediatric allergist, Nicole is an osteoimmunologist, and Donald is a pharmacologist. What do these three health profe
ssionals have in common? They all work with children.
They all must take board exams to be certified every ten years.
They all develop and test medicines to be used in the various healthcare fields.
They all had to pass the MCAT at one point in their career paths.
The level of oxygen in the blood... the level of carbon dioxide in the blood... the level of oxygen in the alveoli... the shape of the alveoli... the shape of the lungs....
