Fundamental Physiology and Anatomy of the Digestive System
"I have finally cum to the konklusion that a good reliable set ov bowels iz worth more to a man than enny quantity of brains."
Simply put, the digestive system is a portal for nutrients from the environment to gain access to the circulatory system. Before such transfer can occur, foodstuffs first have to be reduced to very simple molecules by a combination of mechanical and enzymatic degradation. The resulting sugars, amino acids, fatty acids and the like are then transported across the epithelium lining the intestine into blood.
The focus of this section is to examine the "big picture" of digestive physiology and to look at fundamental aspects of digestive system structure.
Core concepts required for understanding digestive structure and function:
Advanced and supplemental information on digestive system structure and function:
|Last updated on April 15, 2006|
|Author: R. Bowen|
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