| A | B |
|---|
| Gall bladder | Stores bile |
| Emulsifies fats | Bile |
| Makes bile green | Bilirubin |
| Separates stomach from small intestine | Pyloric sphincter |
| Rough stomach lining | Rugae |
| Acid here causes heartburn | Esophagus |
| Enzyme the breaks down starches | Amylase |
| Semi-liquid food in stomach | Chyme |
| Insulin-producing cells | Islets of Langerhans |
| First section of small intestine | Duodenum |
| Inactive stomach enzyme | Gastrinogen |
| Absorbable form of fats | Micelles |
| Produces a large variety of digestive enzymes | Pancreas |
| A hole in the gastric wall | Ulcer |
| Stomach acid level | pH 2 |
| Natural antacid for intestine | Bicarbonate |
| Muscle action of esophagus | Peristalsis |
| Structures that increase the surface area for absorption of nutrients | Microvilli |
| Vitamin B absorbed here | Large intestine |
| Last region of small intestine | Ilium |
| The process of chewing to increase the surface area of food | Mastication |
| The breakdown of food molecules | Digestion |
| The act of swallowing | Deglutition |
| The process of contraction and relaxation of circular smooth muscles which pushes food through the alimentary canal | Peristalsis |
| The acidic secretion of the stomach | Gastric juice |
| A thin layer of loose connective tissue that binds an organ to surrounding tissues or organs | Adventitia |
| The hole in the center of a tube | Lumen |
| The nutrients such as carbohydrates, fats, and proteins | Macronutrients |
| The nutrients such as vitamins and minerals | Micronutrients |
| The movement of food through the digestive tract | Propulsion |
| A mixing contraction in the small intestine | Segmental contraction |
| The movement of molecules out of the digestive tract into circulation or the lymphatic system | Absorption |
| It controls movement and secretions of the digestive tract | Enteric plexus |
| The layer of the digestive tract that is in direct contact with the food consumed | Mucosa |
| Abdominal organs that lie against the body wall and have no mesenteries | Retroperitoneal |
| It attaches the liver to the anterior abdominal wall | Falciform ligament |
| Boundaries that include the lips, palate, and cheeks | Oral cavity |
| Muscle that forms the lips | Orbicularis oris |
| Muscle that forms the cheeks | Buccinator muscle |
| It helps to hold a tooth in its socket | Periodontal ligament |
| Inflammation of the gums | Gingivitus |
| It moistens food and begins starch digestion in the mouth | Saliva |
| It prevents food from entering the nasal cavity during swallowing | Soft palate |
| The structure that moves food from the pharynx to the stomach | Esophagus |
| Vessel that transports nutrient-rich blood from the digestive tract to the liver | Hepatic portal vein |
| The total amount of energy produced and used by the body per unit of time | Metabolic rate |
| They cannot be made in sufficient quantities by the body | Essential nutrients |
| Saccharides (Mono, Di, Poly) | Carbohydrates |
| Fatty acids, glycerol, fat | Lipids |
| Amino acids | Proteins |
| DNA, RNA | Nucleic acids |
| Enzyme that breaks down proteins into amino acids | Proteas |
| Enzyme that breaks down fats into fatty acids and glycerol | Lipase |
| Enzyme that breaks down lactose sugar found in milk | Lactase |
| Enzyme that breaks down nucleic acids into nucleotides | Nucleases |
