The digestive system
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- First the food is ingested by the mouth, there it is chewed and passed to the pharynx
- the pharynx lubricates food and passes it to the oesophagus
- the oesophagus Passes the food to the stomach
- ma boy the stomach does most the work, with its hydrochloric acid, it mixes and churns foods, it Stimulates protein-digesting enzymes Absorbs some fat-soluble substances Begins chemical breakdown of proteins and Releases food into the duodenum as chyme
- the gallbladder stores, concentrates, and releases bile
- the small intestine Absorbs breakdown products of carbohydrates, proteins, lipids, and nucleic acids, along with vitamins, minerals, and water
- The pancreas produces digestive enzymes and bicarbonate
- The lasge intestine Absorbs most residual water, electrolytes, and vitamins produced by enteric bacteria Food residue is concentrated and temporarily stored prior to defecation
- the liver produces bile salts, which emulsify lipids, aiding their digestion and absorption
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