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What is saliva mostly made of? Water What does an enzyme do? It breaks starch into sugar/glucose How much saliva does a person make per day? 1 liter Where are the salivary glands located? Cheeks, front of the ear, and under the tongue Scientific word for poop feces What makes farts? Gasses created by bacteria What's another word for fart? Flatulance / flatulate The rectum is the last how many inches of the large intestine? 8 inches What is peristalsis? When the muscles squeeze to move digested food What is the bolus? A nutritional wad of food What is the main purpose of teeth? They break food down into easy to swallow pieces using mechanical digestion What does the stomach start to digest? Protein What(inside of the stomach)chemically breaks down food? Hydrocloric acid What does hydrocloric acid kill? Bacteria What do the ridges in the stomach do? They contract and mechanically break down food What is the food when it leaves your stomach? A liquid What is pyloric sphincter? A ring of muscle that lets certain amounts of chyme to leave the stomach into the small intestine What is chyme? What the hydrocloric turns the bolus into(a liquid)