leroy-ackley documents

© 2013 Pearson Education, Inc. Digestive System Two groups of organs 1. Alimentary canal (gastrointestinal or GI tract) Mouth to anus Digests food and
Documents © 2013 Pearson Education, Inc. Digestive System Two groups of organs 1. Alimentary canal (gastrointestinal or GI tract) Mouth to anus Digests food and