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Digestive System

Digestive System. What goes in must come out. Digestive System. 1. A group of organs that work together to digest food so that it can be used by the body . 2. Digestive tract —the path food takes through your body. What goes in must come out. 3. Digestive tract--Mouth. pharynx.

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Digestive System

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  1. Digestive System What goes in must come out

  2. Digestive System • 1. A group of organs that work together to digest food so that it can be used by the body. • 2. Digestive tract —the path food takes through your body

  3. What goes in must come out. • 3. Digestive tract--Mouth pharynx esophagus stomach Small intestine Large Intestine rectum anus

  4. 4. Other organs in the Digestive System • Liver • Gallbladder • Pancreas • Salivary glands

  5. Types of Digestion • 5. Mechanical-actual breaking, crushing and mashing food. Chemical-breaking down the food molecules into nutrients 6. Mechanical- Begins in mouth with teeth and jaw muscles. 7. Chemical-- Begins with enzyme in saliva

  6. Food gets broken down • 8., the food enters the stomach. Through the esophagus • 9. Stomach keeps squeezing the food for mechanical digestion and uses enzymes for chemical digestion to create chyme.

  7. Small Intestine • 10. Chyme leaves stomach gradually into small intestine because it is so acidic. • 11. Pancreas makes fluids to protect the small intestine from the acid in chyme. • Small intestine-about 6 meters long.

  8. 12. Liver- large, reddish brown- makes bile, stores nutrients, breaks down toxins

  9. 13. Gall bladder- stores bile • 14. Large intestine- stores, compacts and then eliminates material from the body through the rectum and then the anus. • http://kidshealth.org/PageManager.jsp?lic=1&article_set=59299&cat_id=20607

  10. In Your Foldable • Digestive System • Function Structure Includes teeth, Saliva, esophagus, stomach Small intestine, large intestine, liver and gallbladder. Each of these structures plays a role in breaking down the food , producing enzymes for digestion and/or storing waste for removal To break down food into the needed nutrients for the body. Food is broken down by mechanical digestion which includes crushing mashing food, and chemical digestion which includes large molecules being broken into nutrients for the body.

  11. Urinary System • Contains the organs that produce, store, and remove waste products from your body.

  12. Organs of the Urinary System • Kidneys-pair of organs that constantly clean the blood • Nephrons-microscopic filters in the kidney that remove waste from the blood. • http://kidshealth.org/PageManager.jsp?lic=1&article_set=59257&cat_id=20607

  13. In Your Foldable • Urinary System • Function Structure Contains the organs that remove wastes products from your blood. Kidneys clean the blood by filtering water and wastes from the blood. Urinary bladder—where urine is stored Urethra- tube by which urine leaves the bladder.

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