The introductory video to one section of VetMedAcademy's Bootcamp Physiology (Gastrointestinal) learning module. Developed by Duncan C. Ferguson, VMD, PhD, DACVIM, DACVCP. For additional videos on this topic and learning materials, please register with VetMedAcademy at vetmedacademy.org and view the details about this "premium" learning module at vetmedacademy.org/bootcamp-ph... . In addition to relevant case material, concept videos on g.i. motility and additional topics on g.i. fluid and electrolyte absorption and secretion, and cause and management of diarrheal states. In addition, the pharmacology of emetics, antiemetics, motility modifiers, antacids and protectants are discussed in the supplemental section on relevant gastrointestinal pharmacology.