Date post: | 21-Jan-2016 |
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Digestive
SystemMrs.
Lostaunau
Mouth•Chews food for swallowing
•Adds saliva to break down carbohydrates
•We can only taste liquids.
The Mouth
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Esophagus
•Muscular tube
•Peristalsis•Moves food to stomach
The Esophagus
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Stomach• Muscles contract to mash food
• Mucus lines the walls of the stomach
• Stomach acid dissolve nutrients
The Stomach
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Pancreas
•Adds enzymes to process sugar
•Insulin•Diabetes
Gallbladder
•Adds enzyme to process fat
•Bile
Gall Bladder and Pancreas
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Small Intestine• Diameter of a dime
• 20 feet long!• Villi absorb nutrients and water passing them onto the blood.
Small Intestine and Sending Food to the
Body
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Liver• Blood comes her straight from the small intestine.
• Cleans blood• Stores nutrients• Changes some nutrients
• 200 different jobs
The Liver
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Large Intestine
•Absorbs leftover water and nutrients
•Feces formed
Large Intestine
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Rectum and Anus• Stores feces• When capacity (maximum storage) is reached, sends a signal to the brain
•Feces are squeezed through the anus for disposal.