Digestive System

By: Sarah Mayich

Garrett Morgan

http://www.youtube.com/watch?v=zX4hdOPgnoM&mode=related&search=

Digestive Video

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.

PancreasLocated 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