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The Digestive System. What is the Function?. Produces various chemicals to break down the food. Filters out harmful substances. Gets rid of solid wastes. The Digestive Tract Where does food pass through?. Mouth Esophagus Stomach Small Intestine Large Intestine Gall Bladder Liver
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What is the Function? • Produces various chemicals to break down the food. • Filters out harmful substances. • Gets rid of solid wastes.
The Digestive TractWhere does food pass through? • Mouth • Esophagus • Stomach • Small Intestine • Large Intestine • Gall Bladder • Liver • Pancreas TRACT Helpers
What is the Esophagus • the tube that connects your mouth to your stomach
What is the Stomach • A stretchy bag that holds your food after you eat (temporary storage) What is the function of your Stomach? • Helps to chemically break food into smaller pieces so your body can use it for energy and nutrition
Esophagus Stomach
What is the Small Intestine • Connected to the stomach and large intestine. • Tube that is 20 feet long. • Continues to digest food • Food stays in your small intestine for 4 to 8 hours
What is the Large Intestine • Continues the digestion process – absorbs water and vitamins • Tube that is 5 feet long • Waste stays for 10 to 12 hours
What is the function of the Liver • Factory for antibodies and bile • Largest organ WITHIN the body • Stores vitamins and sugars until your body needs them • Food does NOT pass through this organ
What does the Gall Bladder do? • Storage tank for bile which helps your body break down and use fats • Located under your liver • Shaped like a pear
What is the function of the Pancreas? • Helps you digest food by breaking down sugars • Produces insulin
Interesting Facts • Food is in your digestive system for about 24 hours
You have a trap door called the epiglottis to cover your windpipe when you swallow.
Your stomach mashes your food the way a baker kneads dough for bread.
What are the 2 types of Digestion? • Mechanical • Chemical
What is Mechanical Digestion? Mechanical • Changes the physical form of food • Chew • Tear • Grind • Mash • Mix
What is Chemical Digestion? • Chemical • Changes the chemical composition of food with the aid of digestive enzymes • Breaks large molecules of food into very tiny molecules that can be absorbed and used by the cells in the form of nutrition.