Read the assertion and reson carefully to mark the correct option out of the options given below: Assertion : Spinal cord has a column of both grey and white matter . Reason : Grey matter forms the central spinal canal .A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and the reason are true but the reason is a not correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false

Read the assertion and reson carefully to mark the correct option out

1.	Read the assertion and reson carefully to mark the correct option out of the options given below: Assertion : Spinal cord has a column of both grey and white matter . Reason : Grey matter forms the central spinal canal .A. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and the reason are true but the reason is a not correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false
Answer» Correct Answer - b The spinal cord extends downwards from the brain stem. The grey matter from a column running along the central part of the spinal canal (= neurocoel, lined with ciliated fluid, running along the central part of the grey matter Grey matter is composed of nerve cells, bodies, dendrities and synapae. The white matter forms an outer column surrounding the grey matter at its centre.