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What role do heat receptors of skin play at the beginning of a reflex action in humans?

Answer and explanation

Correct answer: They detect the heat stimulus and initiate a nerve signal

A reflex action begins when a receptor detects a potentially harmful stimulus. Heat or pain receptors in the skin sense excessive temperature and convert that stimulus into a nerve impulse. The impulse travels through a sensory neuron to the spinal cord, which coordinates a rapid response through a motor neuron. Therefore option A correctly describes the first step; the other options are unrelated functions.

Related tags

Skin-ReceptorsHeatReflex-ActionSensory-NeuronReflex ActionControl And CoordinationScienceClass 10 Mcq

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