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  • Approximately, how many neurons are found in the human brain ?Option: 1 <img alt="10" src="https://learn.careers360.com/latex-ima

Approximately, how many neurons are found in the human brain ?

Option: 1

10 million


Option: 2

100 billion


Option: 3

10 billion


Option: 4

1 million


Answers (1)

best_answer

 

 

Neuron As Structural And Functional Unit Of Neural System - A Revision of Neuron

  • A neuron is a microscopic structure composed of three major parts, namely, cell body, dendrites and axon. Approximately 100 billion neurons are found in the human brain
  • The cell body contains cytoplasm with typical cell organelles and certain granular bodies called Nissl’s granules.
  • Short fibres which branch repeatedly and project out of the cell body also contain Nissl’s granules and are called dendrites. 

- Hence, the correct option is b. 100 billion 

 

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