No-prep, NGSS-aligned unit on the human digestive system with a labeled/blank diagram, organ functions, cut-and-sort activity, hands-on cracker lab, exit ticket, keys, and a full student packet. Teach the pathway (mouth → anus), functions, and key vocab with a 5E lesson flow. The-Human-Digestive-System WHAT’S INSIDE Teacher Lesson Plan with 5E structure (Engage → Explore → Explain → Elaborate → Evaluate). The-Human-Digestive-System Diagrams: Labeled + Blank for student labeling/color-coding