Boy if you are getting older, under stress, or just plain eating poorly then digestive problems are probably something you contend with. How nutrients enter the body has long been a subject of our interest.
The human digestive tract consists of glands and organs designed to process and assimilate food through a process of crushing, digestion, absorption, and ultimately elimination of “waste” or indigestible food components.
Below are some illustrations of the digestive system that we like:

a high level view above of the digestive system followed by a more detailed view below

Here is a good view of the actions taken against food by the digestive organs and glands.

