Students explore the hierarchal organization of the digestive human body system through a hands-on card sorting activity that targets NGSS HS-LS1-2. A specific emphasis is placed on carbohydrate, fat and protein polymers and monomers. Your download includes: Zooming into the Digestive System printable card sort Each card contains: The name of the structureHierarchal level of organization (example: cell, organ...)An image of the structureThe scale (in both standard form and scientific notation)