Final answer:
Digestibility refers to the extent to which a nutrient or food component is absorbed. Absorption of nutrients primarily occurs in the small intestine, where they enter the bloodstream or lymph system to circulate throughout the body.
Step-by-step explanation:
The extent to which a nutrient or other food component is absorbed is called its digestibility. Digestibility is more concerned with absorbability. The absorption of nutrients occurs mainly in the small intestine, where substances pass into the bloodstream or lymph system to circulate throughout the body.