Dear Student,2(d) Clustersof Axon is known as Nerve. Similarly Clusters of cell bodies (cyton)found in the CNS are called nuclei. This is somewhat confusing, because the term nucleus as applied to individual cells refers to the part of the eukaryotic cell that contains DNA. Clusters of cell bodies found in the PNS, on the other hand, are called ganglia. 2(e) Two lobes of Cerebrum is connected by Corpus Callosum.Like the cerebrum, the cerebellum is divided into two lateral hemispheres, which are connected by a medial part called the vermis. So the answer of 2(d) is Nuclei and 2(e) is vermis. Regards
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