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. 

Concepts

the excretory system, kidneys, human body systems

Show More Show Less

Additional Tags

science

Show More Show Less

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

Pros

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

Cons

• None