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52 Cards in this Set
- Front
- Back
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Digestive system track
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mouth, espohagus (food tube), stomach, small intestine, large intestine, rectum, anus
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Another word for esophagus
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food tube
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Main logic behind Digestive System
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to convert food to energy
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During the process of what, nutrients that come from food....
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absorption
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Nutrients go from Small intestine to...
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blood stream
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6 sections food are separated into
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water, carbohydrates, proteins, fats, vitamins, and minerals
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What is passed out as feces?
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Waste products
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How long does digestion take?
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20-24 hours
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How long is digestive tract?
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About 30 feet
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Proteins are broken down into
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amino acids
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Starches are turned into
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simple sugars
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Fats are turned into...
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fatty acids and glycerol
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Digestive system is made up of the....
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alimentary canal and the accessory organs
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Accessory organs
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Liver, pancreas, gall bladder
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Alimentary canal also called the...
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Digestive TracT
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What happens in the mouth?
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Saliva breaks down food and teeth chomp on food
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What happens in esophagus?
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Food is passed from mouth to stomach
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What salivate?
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Salivary glands
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Where are salivary glands located?
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Under the tongue and near the lower jaw
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What happens in stomach?
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Enzymes and Acids break down food and churn the food
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What enzyme, found in salvia, breaks down carbohydrates?
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Amylase
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Carbohydrates are...(not food)
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sugars and starches
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Waves of muscle contractions called what force food down through the esophagus to the stomach?
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Peristalsis
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Digestive muscle is what type of muscle?
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Smooth
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What is the muscular ring that allows food to enter the stomach and then squeezes shut to keep food or fluid from flowing back into the esophagus called?
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Sphincter
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What environment in the stomach?
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Acidic Environment
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How much digestive juices are produced in the stomach each day?
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3 quarts
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When food leaves stomach it is in the form of a thick liquid called...
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Chyme
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What muscular tube keeps the chyme in the stomach until it reaches the right phase?
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Pylorus
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What happens in the small intestine?
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Nutrients are absorbed from the chyme and sent to the blood stream
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How many parts are in the small intestine?
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3
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First C-Shaped part of the small intestine.
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Duodenum
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Coiled midsection of the SI.
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Jejunum
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Final section of the small intestine.
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Ileum
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What inlines the small intestine?
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Villi
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What are villi?
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Hair- like structures that absorb nutrients
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What does the liver do?
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Over 600 functions, produces bile
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What holds the bile?
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Gall bladder
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What does the Pancreas do?
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Creates Insulin
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Appendix function?
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None
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Nutrients are carried to where in the blood from the SI?
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Liver
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Job of the large intestine?
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Absorb water and create solid waste
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How many parts in the LI?
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Three
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What is the pouch at the beginning of the LI that joins the small intestine?
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Cecum
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Small, hollow, finger- like pouch, hands of cecum.
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Appendix
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Middle part of the LI.
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Colon
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Where feces is stored until they leave the digestive system through the anus.
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Rectum
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What is Celiac Disease?
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When your body has trouble absorbing nutrients, caused by gluten
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What is IBS?
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When your colon is not working properly and can feel bloating and cramps etc.
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What is Cystic Fibrosis?
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When thick mucus blocks the ducts and passageways in the pancreas
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What is Hepatitis?
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Viral infection in which liver becomes inflammed
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What is it called when a gallbladder become inflamed?
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Cholecystits
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