Download Digestion

Pathway of Digestion
Mouth (teeth & saliva) 
Esophagus (epiglottis) 
Stomach 
Small Intestine 
Large Intestine (colon) 
Rectum 
Anus

Structures in Mouth
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Teeth
Saliva
Hard Palate
Soft Palate
Epiglottis
Esophagus

Stomach

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Multiple layers
muscle used break
up food
Sphincters (valves)
 Keeps food in
 Cardiac - top
 Pyloric - bottom
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Produces:
 HCl
 Pepsin
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Small Intestine
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3 sections
 Duodenum
 Jejunum
 Ileum

Lined w/ Villi
 small projections
 absorbs nutrient into
blood stream
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Large Intestine

5 sections:
 Cecum/appendix
 Ascending colon
 Transverse/Spiraling
colon
 Descending colon
 Rectum
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Functions;
 Removal water –
creation solid waste
 Production Vitamin K

Liver

Filters blood
 Removes toxins
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Produces glycogen
 Carb  stores energy

Produces digestive
enzymes
 Bile – emulsify fats
 Pepsin – hydrolyze protein

Gall Bladder

Stores bile

Pancreas
Produces digestive
enzymes & metabolic
hormones
 Pancreatic Juice

 Lipase – lipids (fats)
 Protease – proteins
 Amylase – carbs
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Regulates blood sugar
 Insulin –
 Removes sugar from blood
 Glucagon –
 Sugar released bloodstream