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Which of the following is involved more in coordination?
a) brain                                  
b) spinal cord
c) nerves                                 
d) all of these

a

Which of the following acts as link between PNS and brain?
a) medulla                  
b) spinal cord
c) nerves                                 
d) muscles and glands

b

Explanation especially the region below head is connected with brain via spinal cord



Brain and spinal cord are highly sensitive parts of human body, so they are protected in……..different ways.
a) two 
b) three          
c) four
d) many

b

Explanation 1. Skeleton, 2. Meninges and 3. Cerebrospinal fluid or CSF



Which of the following parts of the skeleton protects the CNS?
a) cranium                  
b) vertebral column
c) chest bone              
d) both a and b

d

Explanation cranium (part of skull) protects brain and vertebral column protects spinal cord



The meninges is the system of membranes which envelop the……..
a) lungs                                   
b) kidneys
c) heart                                   
d) CNS

d

The meninges consist of …….layers.
a) two 
b) three          
c) four
d) many

b

Explanation 1. The dura mater, 2. The arachnoid mater and 3. The pia mater



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