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About the Human Brain

Know better 8 Questions.

 
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dainiux79
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1

The brain is the centre of which system?

  • human system
  • nervous system
  • endocrine system

2

The cerebral cortex of the human brain contains roughly .... neurons

  • 25-43 billion
  • 10-23 billion
  • 15-33 billion

3

The brain represents only ... of the body's weight.

  • 3%
  • 2%
  • 4%

4

The brain receives ... of the cardiac output.

  • 15%
  • 10%
  • 5%

5

The brain receives ...% of total body oxygen consumption.

  • 25
  • 20
  • 15

6

The brain mostly utilizes .... for energy.

  • blood
  • glucose
  • water

7

The human brain contains roughly 15-33 billion neurons depending on what factor(s)?

  • gender
  • gender and age
  • age

8

Some primitive animals such as ...... have a decentralized nervous system without a brain.

  • fish
  • jellyfish and starfish
  • frog

 

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