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Myelinated and Unmyelinated Fibres

In the centra...

Question

In the central nervous system, myelinated parts of the neuron form the _, while the non-myelinated parts of the cells form the _.

A

Grey matter, white matter

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B

White matter, grey matter

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C

Yellow matter, white matter

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D

Red matter, yellow matter

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Solution

The correct option is B White matter, grey matter
The grey matter is composed of cell bodies of nerve cells, which are non - myelinated, while white matter consists mostly of myelinated axons.

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(i) Synaptic cleft of neurons secretes adrenaline.
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