1. The cerebrospinal fluid is a fluid that is present inside and outside the brain. It protects the brain against shocks or jerks by absorbing them and keeps the CNS moist.
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2. Synapse is the junction between two nerve cells.
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3. The cerebrum is the largest part of the brain. Cerebrum controls all the voluntary actions. Separate areas of the cerebrum are specialised for hearing, thinking, leanring, smell and sight.
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