When a neuron is at its resting state, the inside of the neuron is negative outside is positive.
What is neuron?
- It is the structural and functional unit of nervous system.
- It consists of three parts: dendrites, cell body and axon.
- Dendrites are the hair-like extensions that receives impulse from the previous neurons.
- Cell body contains nucleus are various organelles called Nissl's body.
- Axons are the tail-like structure that carry impulse away from the cell body.
What happens at resting state?
- At resting state, the neurons do not carry impulse and has a voltage of approx. -70mV.
- At this stage large number of sodium ions are accumulated at the outer surface.
Hence, the outside of the neuronal membrane is positive and inside is negative.
To know more about the types of neurons here
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