What is the density of cold receptors per square centimeter in the human skin?

The density of cold receptors in human skin is approximately 6 per square centimeter. This specificity is particularly important for understanding how the skin can detect changes in temperature. Cold receptors are a type of thermoreceptor that respond to decreases in temperature, helping individuals perceive cold sensations.

This low density allows for precise temperature discrimination without overwhelming the nervous system with excessive stimuli, as the receptors are strategically located to effectively monitor environmental conditions. Other options, such as 1, 200, or 95 receptors, either overestimate or underestimate the number of cold receptors typically found in a given area of skin. The values reflect a balance in sensory input, ensuring effective detection of cooler temperatures while allowing the skin to perform its other roles, such as protection and sensation comprehensively.