This zip file contains 9 different activities (26 pages of student handouts) which can be used to compose a unit for middle level science students introducing them to human excretion and human locomotion.All documents with the exception of the PowerPoint are provided in both pdf and editable word format to allow you to modify any activity to meet the needs of your course. These documents are well suited for use in distance learning environments. Answer keys are included with all items.Specifi