Q. 53.8( 109 Votes )

Draw the structure of a neuron and explain its function.

Answer :

A neuron consists of a cell body which gives off a variable number of processes. They give off several short branching processes called dendrites and one longer process known as axon.

Neurons transmit chemical and electric signals in the brain. The ends of axons possess bulb like structures which have neurotransmitters in them, these bulbs connect with the dendrite of another neuron and form synapses. These neurotransmitters transmit signals from one end of neuron to the dendrites of another neuron, thus conducting the chemical impulse. Electrical signals also occur in neurons but they are comparatively slower.

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