23 The Digestive System Part A. Digestive System: Overview The alimentary canal or gastrointestinal (GI) tract digests and absorbs food Alimentary canal.
Digestion: Chewing & Dissolving 11 - 23. Differences between primary and permanent teeth (11) Primary and permanent dentitions have formed by age 21 Primary.
Digestion: Chewing & Dissolving
Saliva: Source and Composition
