The neurons that bring impulses to the Central Nervous System (CNS) are called sensory or afferent neurons. Here are the steps of how they work:

1. Sensory neurons have receptors that are triggered by sensory input (like touch, light, heat, or sound). These receptors could be part of the neuron, or they could be in specialized sensory cells that send signals to the neuron.

2. Once the receptor is triggered, it sends an electrical signal along the neuron. This signal is called an action potential.

3. The action potential travels along the sensory neuron to its end, where it triggers the release of neurotransmitters.

4. These neurotransmitters cross a tiny gap called a synapse to reach the next neuron, which could be another sensory neuron, a motor neuron, or an interneuron in the CNS.

5. The next neuron picks up the signal and carries it further along the pathway, eventually reaching the CNS.

6. Once in the CNS (the brain and spinal cord), the signal is processed and interpreted, leading to the appropriate response.

Question

The neurons that bring impulses to the Central Nervous System (CNS) are called sensory or afferent neurons. Here are the steps of how they work:

1. Sensory neurons have receptors that are triggered by sensory input (like touch, light, heat, or sound). These receptors could be part of the neuron, or they could be in specialized sensory cells that send signals to the neuron.

2. Once the receptor is triggered, it sends an electrical signal along the neuron. This signal is called an action potential.

3. The action potential travels along the sensory neuron to its end, where it triggers the release of neurotransmitters.

4. These neurotransmitters cross a tiny gap called a synapse to reach the next neuron, which could be another sensory neuron, a motor neuron, or an interneuron in the CNS.

5. The next neuron picks up the signal and carries it further along the pathway, eventually reaching the CNS.

6. Once in the CNS (the brain and spinal cord), the signal is processed and interpreted, leading to the appropriate response.

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The neurons that bring impulses to the Central Nervous System (CNS) are called sensory or afferent neurons. Here are the steps of how they work:

1. Sensory neurons have receptors that are triggered by sensory input (like touch, light, heat, or sound). These receptors could be part of the neuron, or they could be in specialized sensory cells that send signals to the neuron.

2. Once the receptor is triggered, it sends an electrical signal along the neuron. This signal is called an action potential.

3. The action potential travels along the sensory neuron to its end, where it triggers the release of neurotransmitters.

4. These neurotransmitters cross a tiny gap called a synapse to reach the next neuron, which could be another sensory neuron, a motor neuron, or an interneuron in the CNS.

5. The next neuron picks up the signal and carries it further along the pathway, eventually reaching the CNS.

6. Once in the CNS (the brain and spinal cord), the signal is processed and interpreted, leading to the appropriate response.

2. These neurons bring impulses to the CNS

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