GI Unit
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Mastication | Chewing
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| Defecation | Bowel Movement
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| Peristalsis | Involuntary wave like motion
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| Deglutition | Swallowing
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| Feces/Stool | Waste
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| Colon | Large Intestine
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| Bolus | What we swallow (chewed up food)
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| Describe the 3 major functions of the GI system | Digestion, Absorption, Elimination
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| Where does digestion begin? | Mouth
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| What is Ptyalin? | Chemical in saliva
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| Which structure starts the beginning of the GI tract? | Mouth
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| The Salivary Glands | Parotid, Sub-lingual, Sub-mandibular
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| What are papillae? | Taste Buds
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| Where are the hard and soft palate? | Roof of mouth, front and back
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| What structure originates from the soft palet? | Uvula
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| What structure connects the pharynx to the stomach? | Esophagus
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| By what process is food moved through the esophagus? | Parastalsis
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| Name the mucous membrane folds lining the stomach? | Rugae
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| What structure is named the pharynx? | Throat
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| Name the structure that the bolus passes through on its way to the stomach | Cardiac Sphincter
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| What are the 3 divisions of the stomach? | Fundus, Body, Pylorus
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| Where is the pyloric sphincter? | divides pylorus and duodenum. Allows movement from stomach into small intestines.
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| What is the name of the substance that is present in the stomach once food is broken down to the proper consistency? | Chyme
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| What are pepsin & HCL and gastric? | Gastric juices
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| What organ are pepsin, HCL and gastric juices excreted into? | Stomach
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| What are the parts of the small intestines? | Duodenum, jejunum, Ileum
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| What is the main function of the small intestines? | absorption of nutrients
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| What are villi? | finger like projections that line the small intestines
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| once food is adequately digested, it leave the stomach through what structure and enters what structure? | pyloric sphincter - duodenum
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| the food substance leaves the small intestine through what structure ? | Ileo-cecal valve
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| What are the parts of the large intestines? | Cecum, Colon, Sigmoid, Rectum
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| What organ manufactures bile? | Liver
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| What organ stores and concentrates Bile? | Gallbladder
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| What is the function of Bile? | Digest fat
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| Name the pancreatic enzymes, what is their functions? | Amylase - digest carbs
Lipase - digest fats
Trypsin - digest proteins
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| Through which duct do bile and pancreatic enzyme travel through to be excreted? | Common Bile Duct
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| Into which organ does the common bile duct carry the bile and enzymes? | duodenum
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| What lines the entire GI tract? | mucous membranes
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| Where is the appendix located? | off of the cecum
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