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  • Sensory Nerves: How We Perceive the World - Definition & Function
    The type of nerve that receives stimuli from the environment and sends messages to the brain is called a sensory nerve.

    Here's a breakdown:

    * Sensory nerves are part of the peripheral nervous system, which connects the central nervous system (brain and spinal cord) to the rest of the body.

    * They contain specialized sensory receptors that detect specific stimuli like light, sound, touch, temperature, pain, and chemical changes.

    * These receptors convert the stimuli into electrical signals, which are then transmitted along the sensory nerve fibers to the brain.

    * The brain then interprets these signals and allows us to perceive the world around us.

    Example: When you touch a hot stove, the sensory receptors in your skin detect the heat. This triggers an electrical signal that travels along the sensory nerve to the brain. The brain interprets this signal as pain, and you quickly withdraw your hand.

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