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Which of the following system act as a control center of the whole nervous system?
a) the central nervous system
b) the peripheral nervous system
c) Excretory System           
d) none of these


a

Brain and spinal cord are the part of which system?
a) the central nervous system
b) the peripheral nervous system
c) Excretory System

d) none of these

a

The human brain is enclosed in a bony case called…………
a) cerebrum                         

b) pons
c) medulla oblongata         

d) cranium

d

An adult human brain weights about….pounds.
a) 2                 

b) 3(about 1300-1400 grams)
c) 4                                        

d) 5

b

The brain of adult man consists of neurons…...
a) 100,000,000,000

b) 10,000,000,000
c) 1,000,000,000

d) 100,000,000

a

The brain is protected by three layers of connective tissues called………..
a) craniums                          

b) protector
c) meninges                         

d) canning

c