- digestive system, gastrointestinal system, systema alimentarium, systema digestorium - the system that makes food absorbable into the body
--1 is a kind of system
--1 is a part of body, organic structure, physical structure
--1 has parts:liver; pancreas; digestive juice, digestive fluid; alimentary canal, alimentary tract, digestive tube, digestive tract, gastrointestinal tract, GI tract; digestive gland; salivary gland