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.