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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
Concepts
Additional Tags
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
- This video is hosted on YouTube
Pros
- The comparison of digestion systems between different organisms is interesting/engaging
- Interesting discussion about the appendix
Cons
- None