Digestive System

Digestive System made of a ______ o ______at both ends ____ feet long also called o ______ o ______(GI) tract technically food inside ______is not ______body o ______through o if a person eats a quarter what happens? function o ______or ______. ______break down ______. ______broken down ______of stomach ______in mouth o ______food ______in walls of tube o food goes ____, has to come ____. ______is elimination organ feces aka “______” food undergoes 3 kinds of processing in body o ______ o ______ o ______Wall of the digestive tract made of ______layers of ______ o mucosa or ______. esophagus – tough ______. remainder of ______– delicate layer of ______ ______and ______ o submucosa . just below ______. ______tissue. many blood ______and ______ o musclaris. ______layers of muscle ______. creates rhythmic ______ ______. assists in ______breakdown of food o serosa. ______covering or coatingMouth hallow ______with ______, ______, and ______ ______point of ______ lined with ______ roof o ______palate. ______structure o ______palate. mainly ______. connected to ______. ______and ______prevent food from entering ______ floor o ______. ______muscle. ______connects tongue to ______of mouth. ______– elevations on tongue contain taste buds o ______ o ______ o ______ o ______ largest are ______type o also made of ______Teeth act of ______– ______ ______types of teeth o incisors o canines. aka ______. ______or tear food o premolars. ______ o molars. ______ o molars and ______have flat ______on the surface to ______and crush after food has been ______it becomes a mass called a ______ _____ baby teeth o usually by ______years _____ permanent teeth o between ______years teeth are ______into ______parts o crown. exposed or ______in mouth. covered by ______ ______tissue in the body. two other ______tissues dentin o ______portion of tooth cementum o ______and ______areas o neck. ______portion. surrounded by ______tissue or ______ o root . ______of jaw. ______membrane lines each tooth ______ o tooth ______is disease of ______, ______, and ______. results in ______Salivary Glands ______pairs o parotid. ______. ______and in ______of each ear at the angle of ______. when people get ______becomes ______. you can see them by looking at the ______side of you ______ second molar o submandibular. on either ______of ______ o sublingual. ______of mouth saliva contains ______ o begins ______digestion of ______ o allows food to pass with less ______through ______Pharynx ______ lined with ______ part of ______and ______systemsEsophagus connects ______to ______ ____ inches long ______ pushes ______towards ______ produces ______for easy ______Stomach  just under ______ when empty as ______as a ______ large after a ______ o ______after a large meal o ______is pushing against ______ food enters stomach through ______or ______ o sphincter is a ______of ______tissue o ______sphincter keeps food from reentering ______. if reenters – ______disease (GERD) o ______inside of diaphragm allows ______to pass through. if stomach bulges through hole ______ food is broken down with ______and ____________ o becomes ______mixture called ______ ______layers of ______muscle in the stomach wall o oblique o circular o lengthwise – ______ o makes the ______one of the ______muscles o muscle ______in stomach called ______ ______membrane lines stomach o contains ______glands o secrete ______juice and ______acid when stomach is ______, folds called ______ ______divisions of ______ o fundus. ______portion. ______of and above opening of ______into ______ o body. ______part of ______ o pylorus . ______, ______part. joins with ______. ______digestion of food by ______ muscle ______border of stomach is ______curvature ______border ______curvatureSmall intestine ______feet long smaller in ______than ______intestine ______different sections o ______. C – ______. ______around head of ______. site of frequent ______ ______place acid ______enters. contains site for ducts to empty ______digestive juice and ______from the ______ ______duodenal papillae ______duodenal papillae o jejunum o ileum mucous lining contains ______glands o secrete intestinal ______juice o not ______. arranged in ______folds called ______. plicae have tiny “______” called ______ project into ______of small intestine ______ ______network of ______capillaries o ______proteins and ______ o increases ______ contain a ______ o small ______vessel o absorbs ______and ______materialsLiver  fills entire ______section of the body secretes ______ o ______gland o largest ______in the body liver -> ______and ______hepatic duct -> common ______duct -> common ______duct -> ______ bile o contain ______and bile ______. ______up or ______fats. ______are in large ______. ______is also lost in ______ way for body to get rid of ______. primary functions ______fats ______cholesterolGallbladder ______bile in-between ______ ______in ______trigger a release of the hormone cholecystokinin (CCK) in the ______ then stimulates ______of ______ ______goes into small intestine gallstones block ______duct o liver -> ______-> cystic ______XXX common bile duct -> duodenum o ______appear gray-______ o ______amounts of bile are absorbed in ______. results in ______skin discoloration ______ also occurs when ______duct is blocked if cystic duct is blocked no ______ why? Pancreas lies ______stomach ______gland o secretes ______juice o most ______digestive juice o contain ______that digest 3 major types of ______ ______gland o secretes ______into bloodLarge Intestine ______feet ______and ______food passes from small intestine through ______ food in no longer ______, a “soupy” mixture changes to the ______of fecal ______ o ______is absorbed ______matter acted upon by ______ normal passage ______days rate ______ o ______ rate ______ o ______ o even more ______is removed o reduces bowel emptying ______ cecum -> ______colon -> ______colon -> ______colon -> ______colon -> ______-> ______canal ______sphincter muscles stay ______to keep anus ______except during defecation o ______anal sphincter ______ o ______anal sphincter ______Appendix o no ______functions in humans o ______tissue o minor role in ______mechanisms o ______– appendicitis

Digestive System

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