Absorption
The process by which nutrient molecules pass through the wall of the digestive system into the blood
Bile
a digestive juice secreted by the liver and stored in the gallbladder
Chyme
the pulpy acidic fluid that passes from the stomach to the small intestine, consisting of gastric juices and partly digested food.
Enzyme
A type of protein that speeds up a chemical reaction in a living thing
gastric juices
a thin, clear, virtually colorless acidic fluid secreted by the stomach glands and active in promoting digestion.
macronutrients
carbohydrates, proteins, and fats
Mastication
chewing
Bolus
a small rounded mass of a substance, especially of chewed food at the moment of swallowing.
metabolism
the chemical processes that occur within a living organism in order to maintain life.
Micronutrients
vitamins and minerals
Peristalsis
the process of wave-like muscle contractions of the alimentary tract that moves food along
Villi
Small fingerlike projections on the walls of the small intestines that increase surface area
Gastriontestinal tract
The stomach and intestine as a functional unit.
Feces
solid waste