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  • Draw the structure of a neuron and explain its function.

Draw the structure of a neuron and explain its function.

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Solution:
Neurons are the building blocks of the nervous system. They receive and transmit signals to different parts of the body. Different types of neurons help in the transmission of information. The following are the different parts of a neuron:

Dendrites
These are branch-like structures that receive messages from other neurons and allow the transmission of messages to the cell body.

Cell Body
Each neuron has a cell body with a nucleus, Golgi body, endoplasmic reticulum, mitochondria and other components.

Axon
An axon is a tube-like structure that carries electrical impulses from the cell body to the axon terminals that pass the impulse to another neuron.

The myelin sheath acts as an insulator around the axon. It insulates axons from the electrical impulses from the surroundings.

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