Introduction to the Digestive System definitions Flashcards

A 9-meter long muscular tube from mouth to anus where food is processed.

Structures aiding digestion but not part of the alimentary canal.

A lump of chewed food mixed with saliva, found in the mouth and esophagus.

Partially digested food mixed with gastric juices in the stomach and small intestine.

Fully digested waste product with low water content, found in the large intestine.

Physical breakdown of food to increase surface area for chemical digestion.

Breakdown of food molecules using acids and enzymes for absorption.

Involuntary muscular wave of contraction moving food through the alimentary canal.

An enzyme active in the stomach that digests proteins.

An enzyme in saliva that breaks down starch molecules.

A substance produced by the liver and stored in the gallbladder, aiding fat digestion.

The hollow space inside the GI tract where food passes.

Movement of food through the alimentary canal via swallowing and peristalsis.

Movement of nutrients and water into the blood or lymph from the digestive tract.

Elimination of waste products as feces from the body.