Question

Why is brain called the principal sensory centre in cockroach? (U)

Answer 1

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Answer 2

As the brain gets the main sensory signals from the antennae, eyes and the labrum; it is calles as the main principle organ in the CNS. supra-oesophageal ganglion or brain is the main part that we also called as the CNS of the Cockroach, sub- oesophageal ganglion along with the Central nerve cord is also included in the CNS. The supra-oesophageal ganglion or cerebral ganglion is the double lobed structure that is present in the cockroach head in the oesophagus front. This discussion tells that the brain and its connected some stuctures are the main reason of the sensation.