The second stage of Meaningful Use requires that healthcare providers use C-CDA document exchange regularly in care transitions and the CCD has been identified as the most appropriate document for this purpose.
The part of the brain that interprets smell is the olfactory bulb.  This brain structure is usually above the nasal cavity and below  frontal lobe.
Smell, the nose, and the brain. Molecules of the food you are eating move through the back of the throat and reach olfactory nerve endings in the roof of the nose. The molecules bind to these nerve endings, which then signal the olfactory bulb to send smell messages to two critical parts of the brain: