These four integumentary system lab stations are a low-prep way to teach your anatomy and physiology, biology, or health students about the science of sweating and evaporative cooling, mechanoreceptors and sensitivity in the skin, thermoreceptors and sensory adaptation, and fingerprints! The lab stations take approximately 80-minutes total to complete. Materials needed: cotton balls, rubbing alcohol, blue food coloring, toothpicks, notecards, tape, rulers, beaker/bucket of ice water, beaker/buck