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  • How many pairs of cranial nerves are present in frogs?Option: 1 12Option: 2 10<br

How many pairs of cranial nerves are present in frogs?

Option: 1

12


Option: 2

10


Option: 3

11


Option: 4

09

 


Answers (1)

best_answer

 

 

Control and Coordination in Frog -

  • The nervous system is organised into a central nervous system (brain and spinal cord), a peripheral nervous system (cranial and spinal nerves) and an autonomic nervous system (sympathetic and parasympathetic)
  • There are ten pairs of cranial nerves arising from the brain. 
  • The brain is enclosed in a bony structure called the brain box (cranium). 
  • The brain is divided into forebrain, midbrain and hind-brain. 
  • The forebrain includes olfactory lobes, paired cerebral hemispheres and unpaired diencephalon. 
  • The midbrain is characterised by a pair of optic lobes.
  • Hind-brain consists of cerebellum and medulla oblongata.
  • The medulla oblongata passes out through the foramen magnum and continues into the spinal cord, which is enclosed in the vertebral column
     

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There are ten pairs of cranial nerves arising from the brain.

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avinash.dongre

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