The Digestive System

The human body produces about 1.7 liters of saliva a day to aid in digestion. The digestive systems of different organisms are examined in a video that follows the digestive path, beginning with acids, moves to the importance of surface area to digestion, and finishes with a look at the organs involved in digestion. 

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CCSS: Adaptable
NGSS: Adaptable
Instructional Ideas

  • Have learners research the digestive system of a cow and compare it to a human's 
  • The narrator moves quickly through a lot of information; therefore, stop periodically and ask questions, allowing students to discuss with partners and the class
Classroom Considerations

  • Video 28 in a series of 40

  • The comparison of digestion systems between different organisms is interesting/engaging
  • Interesting discussion about the appendix

  • None
Common Core