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  • How many ganglia are present in the thorax and abdomen of the cockroach respectively?Option: 1 Six and three<st

How many ganglia are present in the thorax and abdomen of the cockroach respectively?

Option: 1

Six and three


Option: 2

Three and six.


Option: 3

Three and seven


Option: 4

None of these

 


Answers (1)

best_answer

 

 

Nervous System of Cockroach -

Nervous System of Cockroach

  • The nervous system of cockroach consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
  • Three ganglia lie in the thorax and six in the abdomen.
  • The nervous system of the cockroach is spread throughout the body.
  • The head holds a bit of a nervous system while the rest is situated along the ventral part of its body .
  • The brain is represented by supra-oesophageal ganglion which supplies nerves to antennae and compound eyes.

 

Three ganglia lie in the thorax and six in the abdomen of the cockroach.

Posted by

Rakesh

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