Excretory System

Not a waste of time or energy! Introduce young scholars to one of the waste eliminating systems of the body in a hands-on lesson exploration. The 14th lesson in a 21-part series asks groups to build models of the excretory system including the vital parts while emphasizing the cycling of blood. 

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Instructional Ideas

  • Have pupils write three facts they learn from watching the video to use in a class discussion
  • Borrow a three-dimensional model of the excretory system from a medical clinic or university to use for demonstration
Classroom Considerations

  • Requires materials to create a model of the excretory system

  • Makes use of easily obtainable, inexpensive materials
  • Includes an option for extending the lesson

  • None