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Digestive system by cameron and sam

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cameron parsons

on 9 October 2014

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Transcript of Digestive system by cameron and sam

The digestive system breaks down the food you
As you eat and digest food, your digestive
system acts mechanically and chemically uponfood to break it down

It consist of
The path food follows through the digestive system is called the alimentary canal

Teeth are critical for digestion. The visible part is the crown which is covered by the enamel the hardest substance in the body.
The part that's not covered is the root.
The dentin shapes the tooth.
Cementum holds the tooth in socket.
The periodontal membrane connects the cementum to the jaw bone.
By Cameron & Sam H.
Digestive System
small intestine
Your mouth chews the food and mixes it with saliva.
Saliva has special enzymes that break down starch into sugar.
The name for food as it is a small, round, chewed mass entering the esophagus is bolus
The esophagus connects your mouth to the stomach.
Peristalsis pushes food to the stomach.
The epiglottis is a trap door that keeps food from entering the trachea.

The stomach is a organ that acts as a mixing and storage chamber.
The small intestine is the organ where most chemical digestion and absorption occurs.
The duodenum is the first 10 inches of the small intestine.
Villi are hair like tubes.
The small intestine is 23 foot long
The large intestine is called large because its diameter it is shorter than the small intestine

The liver makes bile to digest fat
The bile is stored in the gallbladder.
The pancreas produces pancreatic juices that help digest carbohydrates, proteins, and fat.

Chyme is half digested food.
Indigestible remains are sent to the colon.
After the colon the mixture enters the rectum where it will be eliminated as feces.
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