What are the two general functions of the small intestine?

digestion and absorption

Explanation:The small intestine is the part of the intestines where 90% of the digestion and absorption of food occurs

the areas around the equator

enzyme active site and substrate specificity

enzymes bind with chemical reactants called substrates. there may be one or more substrates for each type of enzyme, depending on the particular chemical reaction. in some reactions, a single-reactant substrate is broken down into multiple products