The most important digestive enzyme that is formed when pepsinogen contacts hydrochloric acid.
A pouch-like structure at the beginning of the large intestine that receives waste material from the small intestine.
The third part of the small intestine.
The second part of the small intestine.
A gland with both endocrine and exocrine function, it secretes digestive juices.
A substance produced by a combination of secretions from the mucous, chief, and parietal cells of gastric glands.
The epithelial cells that secrete hydrochloric acid
Ridges or folds, such as those in the mucus membrane of the stomach.
A circular muscle acting as a valve to control gastric emptying.
A pear-shaped sac that stores bile and contracts to release bile into the small intestines.
A yellow-green fluid secreted from hepatic cells that contains water, bile salts, bile pigments, cholesterol, and electrolytes.
The second part of the large intestine, consisting of four parts.
The chief material of teeth, it is harder and denser than bone and surrounds the pulp.
The mechanical breakdown of foods and the absorption of resulting nutrients by the body's cells.
The cavity posterior to the mouth connecting to the esophagus, allows the passage of food from the oral cavity to the esophagus, and the passage of air from the nasal cavity to the larynx.
Fats, like cholesterol and phospholipids that do not dissolve in water
The first section of the small intestine.
A hormone released by the stomach that stimulates the production of gastric juice.