The Digestive System

Online Presentation for Edtech 213 (2nd Sem, SY 13-14)Prepared by: Manny Buenafe

Karmila Ortega

We need food to survive!

All animals have tube-type digestive system (food enters mouth, passes through a long tube, and exits as feces on the anus)

Food is broken down into tiny absorbable atoms and molecules.

The Digestive System

Components

Esophagus Stomach Small Intestine Large Intestine Gall bladder Liver Pancreas

Esophagus

the tube that connects your mouth and your stomach

StomachA stretchy bag that holds your food after you eat

Helps to break food into smaller pieces so your body can use it for energy and nutrition

Stomach

Esophagus

Tube that is 20 feet long.

Continues to digest food

Food stays in your small intestine for 4 to 8 hours

Small Intestine

Small Intestine

Tube that is 5 feet long

Gets waste from small intestine

Waste stays for 10 to 12 hours

Large Intestine

Large Intestine

Storage tank for bile (a greenish-yellow liquid) that helps your body break down and use fats

Located under your liver

Shaped like a pear

Gall Bladder

Factory for antibodies and bile

Stores vitamins and sugars until your body needs them

Liver

Liver

PancreasHelps you digest food by breaking down sugars

You can also view the parts and functions of the digestive system by clicking on the picture.

Find it out by clicking on the picture below.

How does digestion work?

Eat foods that are high in fiber like fruits and vegetables.

Drink plenty of water.

Chew your food completely before you swallow.

Avoid food high in fat!

Taking care of the Digestive System

Summary

The Digestive System digests food so that it could be converted into absorbable form.

The pathway of food:Mouth > Esophagus > Stomach > Small

Intestines > Large Intestines > Rectum > Anus

www.kidshealth.org

Google images

http://www.kitses.com/animation/swfs/digestion.swf

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