Final answer:
The statement regarding most digestion occurring in the small intestine is true, as it is the primary site for chemical digestion and nutrient absorption, involving key functions like the emulsification of fats by bile.
Step-by-step explanation:
In the small intestine, not only does the majority of chemical digestion take place through the action of pancreatic enzymes and brush border enzymes, but also nearly all absorption of nutrients into the bloodstream occurs here. Key digestive processes include the emulsification of fats by bile, broken down into their chemical building blocks, facilitating absorption.
The small intestine receives partially digested food, known as chyme, from the stomach, where it is mixed with bile and digestive enzymes. Contrary to some misconceptions, chyme does not enter the large intestine before the small intestine, and the process of food absorbing nutrients primarily occurs in the small intestine, not the stomach or large intestine.