The Digestive System

Each one opens on YouTube. The same ▶ badges appear beside the cram points and notes they explain.

• Types of digestive systems across animalsThe Digestive System: CrashCourse Biology #28CrashCourse
• GI tract layers, mouth, teeth, and salivaDigestive System, Part 1: Crash Course Anatomy & Physiology #33CrashCourse
• Swallowing reflex, esophagus, and peristalsisGastrointestinal | Deglutition (Swallowing)Ninja Nerd
• The stomach, gastric glands, and pepsinDigestive System, Part 2: Crash Course Anatomy & Physiology #34CrashCourse
• How parietal cells make hydrochloric acidParietal Cell: Gastric Acid ProductionRobinson Visual Science
• Small intestine: villi and nutrient absorptionSmall intestine 3: Absorption | Gastrointestinal system physiology | NCLEX-RN | Khan Academykhanacademymedicine
• The large intestine, rectum, and anusColon, rectum, and anus | Gastrointestinal system physiology | NCLEX-RN | Khan Academykhanacademymedicine
• Liver functions and the hepatic portal systemLiver PhysiologyArmando Hasudungan
• Bile salts, emulsification, and the gallbladderBile Acids, Bile Salts — Lipid Emulsification — Liver & Gallbladder — GI Physiology & BiochemistryMedicosis Perfectionalis
• The pancreas: exocrine and endocrine rolesEndocrinology | Pancreas: OverviewNinja Nerd
• Insulin and glucagon control blood glucoseInsulin and glucagon | Chemical Processes | MCAT | Khan Academykhanacademymedicine
• Gastrin, secretin, CCK, and GIPGastrointestinal | Gastric Secretion: The Intestinal PhaseNinja Nerd
• Vitamins and minerals as essential nutrientsIntroduction to vitamins and minerals | Biology foundations | High school biology | Khan AcademyKhan Academy
• Ruminant digestion and the four-chambered stomachDigestive Physiology of the RuminantMike Hutjens