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 ______

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 coating

 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 ______

 largest are ______type o also made of ______

 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 ______systems

Esophagus

 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 ______curvature

Small 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

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 ______materials

 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

 ______cholesterol

Gallbladder

 ______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 blood

Large 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