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What are tactile corpuscles sensitive to?

  1. Light and Sound

  2. Heat and Cold

  3. Touch and Pressure

  4. Smell and Taste

The correct answer is: Touch and Pressure

Tactile corpuscles are sensory receptor cells located within the dermis, or middle layer of the skin. They are responsible for detecting touch and pressure stimuli. Option A is incorrect because tactile corpuscles do not respond to light or sound. Option B is incorrect because while they do respond to heat and cold stimuli, this is not their primary function. Similarly, option D is incorrect because tactile corpuscles do not play a role in the sense of smell or taste. Overall, tactile corpuscles are specifically sensitive to touch and pressure stimuli and do not respond to other types of stimuli.