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The Digestive Syste m

The Digestive Syste m. Lesson Plan. What is the Digestive System?. The digestive system is a series of connected organs from mouth to anus whose purpose is to break down, digest and excrete wastes from the food we eat. The Organs of the Digestive System. Your Mouth Esophagus Stomach

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The Digestive Syste m

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  1. The Digestive System Lesson Plan

  2. What is the Digestive System? • The digestive system is a series of connected organs from mouth to anus whose purpose is to break down, digest and excrete wastes from the food we eat.

  3. The Organs of the Digestive System • Your Mouth • Esophagus • Stomach • Small Intestine • Large Intestine • Rectum/Colon Other Organs: -Pancreas -Liver -Gallbladder

  4. Your Mouth Your mouth is the first place your food will go to start the digestive process. In your mouth the food is grinded with your teeth along with the help of saliva. Your saliva and teeth together break your food down into tiny pieces.

  5. The Esophagus The Esophagus is the second organ of your digestive track. Your esophagus is like a long pipe. It connects your mouth to your stomach and moves food down by the use of muscles in the walls of the esophagus.

  6. The Stomach Your stomach is connected to your esophagus. The stomach is shaped like the letter “J” and is a small sack-like figure. Your stomach stores the food you have eaten, breaks down the food into a liquid mixture, and slowly empties that mixture into the small intestine.

  7. The Small Intestine The small intestine is a tube that is about 1.5 to 2 inches around and is beneath your stomach. Inside the small intestine food is broken down even more so your body can absorb vitamins and minerals.

  8. The Large intestine The large intestine is about 3 to 4 inches around. It is almost the last stop of the digestive track and would be about 5 feet long if it were to be removed from the human body.

  9. Rectum/Colon The rectum and colon work together as the last stop of the digestive track. The rectum serves as a warehouse for the waste material after leaving the colon. The rectum is about 8 inches long.

  10. Other Organs Pancreas- Contains digestive enzymes that help further break down carbohydrates, fat, and protein Liver- Production of biochemical's needed for digestion. Gallbladder- Production of bile. It is not needed for digestion. liver gallbladder pancreas

  11. Your saliva aids in digestion in what organ of the system? Large Intestine Small Intestine Mouth Esophagus

  12. TRY AGAIN!!!!! To Question: 1. 2. 3. 4. 5.

  13. THAT IS CORRECT! To Question: 1. 2. 3. 4. 5.

  14. Name one of the purposes of the digestive system -Digest and excrete wastes from the food we eat - To get food into your body - To hold protein - To aid in homeostasis

  15. What is the name of the organ that is shaped like a “j”? - Esophagus - Stomach - Large Intestine - Rectum

  16. What organ would be about 5 feet long if removed from the body? - Small Intestine - Esophagus - Large Intestine - Rectum

  17. Your esophagus uses the help of what, to move food down the long tube? - Saliva - Protein -Muscles - Teeth

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