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Digestive System
By: Sarah Mayich
Garrett Morgan
Digestive Video
http://www.youtube.com/watch?v=zX4hdOPgnoM&mode=relat
ed&search=
Digestive System
• Transforms Food
Into Energy
• Distributes Energy
To The Blood Stream
• Removes Waste
From The Body
The Mouth
• Start Of Digestive
Track
• Ingests Food/Liquids
• Crushes Food
(Teeth/Tongue)
• Tongue Used To
Move Food Around
• Teeth Used To Crush
Food (Mainly The
Anterior Incisors)
Esophagus
• Tube In Which Food
Travels From The
Mouth To The
Stomach
• Food Passes Threw
By Peristalsis (Muscle
Movements)
Stomach
• Highly Acidic
Environment
• Breaks Down Food
Further By Use Of
Gastric Acids
• Partial Protein
Absorption
• Water Absorption
Liver
Located under the rib
cage, upper right part of
abdomen.
Produces bile.
Bile helps the body
absorb fat.
Gall Bladder
• Located behind the
liver.
• Stores bile from
the liver until the
body uses it.
Large Intestine
• Absorbs water and
electrolytes.
• Helps eliminate
waste.
• It is about 1.5 m long
and 6.5 cam wide
• 4 major parts- cecum,
colon, rectum and
anal canal.
Small Intestine
• Portal for all nutrients
into the blood.
• Provides nutrients to
the body.
• Approx. 6m long.
• Located in the middle
of the abdomen
• 3 parts-duodenum,
ileum, jejunum.
Pancreas
Located beneath the
stomach.
Produces enzymes.
Enzymes help digest
fats, proteins, and
carbohydrates.
Makes substance that
neutralizes stomach
acid.
Rectum
Located at the end of
the large intestine
Where poop is
stored
Anus
• Located at the end
of the digestive
track.
• A opening where
waste exits the
body.
Gastroesophageal Reflux Disease
(GERD)
• Occurs When Stomach Doesn’t Close
Properly
• Main Symptoms Are Persistent Heart Burn
And Acid Regurgitation
• No Known Cause For GERD
• Alcohol Use, Smoking, Overweight,
Pregnancy Are Factors That May
Contribute To GERD
Irritable Bowel Syndrome
(IBS)
• A common intestine disorder.
• Affects the colon.
• May cause abdominal cramps, bloating,
constipation and diarrhea.
• Can be controlled by eating habits and
reducing stress or medication to relive
symptoms.
• There is no cure