Not a scientific answer, but because they are immature.
Answer d : binding-proteins
Answer – Inflamed Colom
It has been shown that there is
usually upper Gastrointestinal involvement in both Crohn’s disease and
Ulcerative Colitis (Colitis is the condition where the colon is inflamed). The
clinical implications of this strongly negate proceeding with Upper GI series
when both Crohn’s disease patient who also has an inflamed colon.
B. Tooth Decay - because of the acid from your stomach rests on your teeth.
The answer to this is
C) muscle loss