Digested food is absorbed in the small intestine. This means that it passes through the wall of the small intestine and into the bloodstream. The blood then carries the useful substances around ...

Digested food is absorbed in the small intestine. This means that it passes through the wall of the small intestine and into the bloodstream. The blood then carries the useful substances around ...

measurable by analyzing flux rates across the intestinal wall as a whole or across wall components of defined molecules that are largely inert during the process and that can be adequately ...