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The Digestive System

And How It Works

Mikayla Aguilar

on 8 January 2013

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Transcript of The Digestive System

Traveling Through The Digestive System By: Mikayla Aguilar and Caroline Meyers It All Starts With The . . . Mouth Teeth ~ Grinds the food Saliva ~ Breaks down starch Tongue ~ Pushes back the food Digestive System The 6 Nutrients Carbohydrates Simple Carbohydrates Simple Carbohydrates are sugary foods. Found In:
• Syrups
• Sweets
• Products made with Flour
• Fruits and vegtables Complex Carbohydrates Complex Carbohydrates are starch and fiber Found In:
• Whole Grain
• Fruits
• Vegetables
• Legumes
• Miscellanous Proteins Four Basic Processes Ingestion ~ Eating food
or drinking beverages Digestion ~ The process

of breaking down food Mechanical ~ The physical
processing of food Chemical ~ Changes food into
different substances Absorption ~ Where nutrients are absorbed into the blood stream Elimination ~ When you remove
waste from your body Purpose :
•Breaks down protiens and energy
•Protects body from toxins Nutrient ~ A source of
nourishment needed by
any living form to sustain
life Esophagus Peristals ~are muscular movements Stomach Juice mixes with food

Breaks down protiens

Food goes through duodenium Duodenum ~ the first part of
the small intestine, and goes immediatly beyond the stomach, leading to the jejunum Small Intestine Large Intestine Anus Rectum ~ this is where the
remains are stored Fats Vitamins Minerals Water Pancreas ~ food leaves stomach

Villi ~ food particles are absorbed into the blood stream Liver ~ produces bile The anus gets rid of waste Purpose:
•Building and repairing
•Making horomones for
immune system Proteins Proteins are from food broken down into
amino acids by the digestive system Found In:
•Egg whites
•Dairy Products Fun Fact Purpose:
•Keeps the body warm
•Protects organs
•Provides energy to the body while exersizing Saturated Fats Saturated fats are cloged arteries and cause strokes Found In:
•Meat Unsaturated Fats Unsaturated fats develope the nervous system Found In:
•Eggs Purpose:
•Convey chemical messages
•Help body's metabolic reactions
•Enzymes help disgetion Vitamins Vitamins are chemicals the body needs to process nutrients, regulate nervous system, and build genetic material, protien, red blood cells, and horomones Found In:
•Dairy Products
•Meat Purpose:
•Acid base
•Bone structure
•Enzyme reactions
•Protien synthesis
•Fluid base Minerals Minerals are components of food that are invloved in the body functions Found In:
•Sodium Purpose:
•Controls body temp
•Forms basic structure for organs
and cell
•Helps eliminate waste
•Shock absorber for joints Water Water is the main nutrient in your body Found In:
•Soda Did You Know......... That 60-70% of
your body weight is
WATER ! The End These four basic processes are a big part in the Digestive System. Here Is A Video For You http://nature.ca/discover/exm/blddgstvsystm/index_e.cfm Hope You Enjoyed The Presentation Traveling Through The Purpose : To injest Food Mechanical Digestion
Full transcript