Intro to the Digestion System

Intro to the Digestion System 

An overview of how our food is processed. 

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16 Video Interactions 


  1. 00:02:09 

    Why do you think it is important for a dog to have a very fast digestive process? 

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  2. 00:03:29 

    How long do you think it takes to digest a meal from beginning to end? 

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  3. 00:04:11 

    What do you think the purpose of the tongue is? 

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  4. 00:05:31 

    What do the enzymes in your mouth break down first? 

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  5. 00:06:11 

    Why is the epiglottis an important part of your digestive system? 

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  6. 00:06:34 

    Peristalsis is the contractions that move the bolus down into your stomach. Where else do you think this might happen? 

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  7. 00:06:51 

    What analogy can you use to describe the job of the stomach? 

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  8. 00:07:01 

    What substances are in the stomach that help break down the food? 

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  9. 00:07:11 

    What is the job of the hydrochloric acid? 

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  10. 00:07:14 

    What is the job of pepsin? 

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  11. 00:08:06 

    What if the function of the duodeum? 

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  12. 00:09:01 

    How do the villi and micro villi increase surface area? How does that help with the absorption of nutrients? 

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  13. 00:09:25 

    Where are bile salts manufactured and what organ deposits them into the chyme? 

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  14. 00:10:16 

    What is the function of the large intestine? 

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  15. 00:10:43 

    What is the function of our appendix? 

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  16. 00:11:09 

    Why is the anal sphincter your favorite sphincter? What other sphincters are in our digestive system? 

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