High School

Cool receptors in the skin are activated between 12 degrees Celsius and 35 degrees Celsius. Warm receptors are activated between 25 degrees Celsius and 45 degrees Celsius. When the temperature is below 12 degrees Celsius or above 45 degrees Celsius, pain receptors in the skin are activated.

What perception is sensed?

Answer :

The perception sensed depends on the activation of thermoreceptors within the skin. Cool receptors are activated between 12°C and 35°C, warm receptors between 25°C and 45°C, and pain receptors below 12°C or above 45°C. Sensations of cool, warm, or pain are experienced based on these ranges.

To determine the perception sensed based on skin temperature, we need to understand the activation ranges of various receptors:

  • Cool receptors: Activated between 12°C and 35°C
  • Warm receptors: Activated between 25°C and 45°C
  • Pain receptors: Activated below 12°C or above 45°C

If the temperature is between 12°C and 25°C, only the cool receptors will be activated, and the sensation will be cool. Between 25°C and 35°C, both cool and warm receptors may be activated, providing a mixed sensation. From 35°C to 45°C, warm receptors dominate, giving a sense of warmth. Outside these ranges, if the temperature is below 12°C or above 45°C, pain receptors are triggered, leading to a sensation of pain.

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