Biology, asked by Shubhangee4442, 10 months ago

Describe Cerebrum (Rajasthan Board)

Answers

Answered by AayushMJI
0

Answer:

It is the biggest part of fore brain

main thinking part

many voluntey actions are done here

they include writing, drinking, walking etc.,

Answered by Anonymous
1

\Large{\underline{\underline{\bf{Answer:-}}}}

It is the largest part of the brain which forms nearly 80% of the same. Cerebrum occupies the front, lateral and superior parts of the brain. It has two closely placed cerebral hemispheres separated by a longitudinal cerebral fissure.The cerebral hemispheres are attached inferiorly by a thick nerve band called corpus callosum. Superior surface is convex while the inferior surface is concave. Internally, each cerebral hemisphere has a fluid filled cavity called lateral ventricle. There is a thick outer layer of grey matter called cerebral cortex. Inner to it is cerebral medulla of white matter. Cerebral cortex is thrown up into folds. The elevations are called gyri while the depressions are known as sulci. Right cerebral hemisphere controls the functioning of left parts of the body while the left cerebral hemisphere controls the right parts of the body. Each cerebral hemisphere is divided into four parts— frontal, parietal, temporal and occipital.Frontal Lobes. They occur in front or anterior region. Frontal lobes are centres of intelligence..

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