Classroom Resources

This activity explores an image of tattoo ink particles inside cells, which serves as a phenomenon for learning about the structure and color of human skin.

The added information provided at pause points within the animation How We Get Our Skin Color allows for a richer exploration of the topic of human skin structure and function.

This animation describes how skin color is generated by skin cells as protection against ultraviolet (UV) radiation.

This animation shows how cone snail toxins cause paralysis by blocking signal transmission at the synapse between neuron and muscle.

This video provides a demonstration of how nerve-muscle connectivity is measured.

This tutorial describes how animals differ in their abilities to heal wounds and regenerate lost body parts or damaged tissues.