FOOD’S PATH THROUGH THE GUT

FOOD’S PATH THROUGH THE GUT -...

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FOOD’S PATH THROUGH THE GUT The Mouth Chewing starts the mechanical breakdown of food, and the mouth releases the  first digestive secretions Teeth grind the food into smaller particles, providing better access for digestive  enzymes Chewing mixes food with saliva, which lubricates the food so it is easier to  swallow Amylase - enzyme that breaks down starch  Lipase - enzyme that breaks down lipids  Saliva washes sugars from the mouth so that bacteria cannot ferment them The Esophagus Connects mouth to stomach Peristalsis begins The Stomach Muscular bag that churns food and mixes it with fluids and digestive juices Secretes powerful hydrochloric acid that denatures protein and kills bacteria Secretes proteases that begin the breakdown of protein A layer of mucus protects the stomach from acid and protease  Lower esophageal sphincter separates esophagus and stomach   stops the 
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FOOD’S PATH THROUGH THE GUT -...

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