This engaging classification activity helps students understand the different structures that make up animal bodies. Students sort various animal body parts into internal and external categories, building their understanding of animal anatomy and how different structures serve different functions. The activity reinforces key concepts about body systems, structure-function relationships, and animal survival. Through hands-on sorting and discussion, students develop a deeper understanding of how various body parts work together to support life functions. The activity promotes scientific thinking and vocabulary development while making complex anatomical concepts more accessible.