This lesson is digital and you can add your own customization. Sorting cards include 10 Body Systems along with each of their functions and the organs included in that system. Cut out and laminate as many sets as you need for individual, lab-station or table-group activities. After sorting the cards, the student "Body System Organizer" chart can be filled out and turned in to be graded or students can self-check using the key. I have students place it in their interactive notebook for future ref