Anus
Wave-like muscle contractions that move food through the digestive tract.
Pepsin
Release of digestive juices and enzymes from glands.
Mechanical and chemical digestion.
In the large intestine.
Nutrient absorption.
Small Intestine
Amylase
Elimination of indigestible substances as feces.
Transports food to the stomach.
Esophagus
Absorbs water and electrolytes; compacts waste into feces.
Lipase
Stomach
Rectum
Enzymatic breakdown of food into smaller molecules.
Excretes waste.
Mouth
Physical breakdown of food, such as chewing and churning in the stomach.
Stores feces.
In the small intestine through villi and microvilli.
Propulsion
Water absorption and waste compaction.
