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The volume of air remaining in lungs even after a forcible expiration is called
a) total volume           
b) tidal volume
c) residual volume    
d) extra volume

c

The residual volume in human lungs is…
a) 1.5 liters                 
b) 500 ml
c) 5 liters                                
d) 1000 ml

a

Control of Breathing


Normally breathing is a/an……..process.
a) voluntary                
b) involuntary
c) both a and b
d) none of them

b

Which of the following part of the brain controls the involuntary control of breathing?
a) cerebrum                
b) pons
c) cerebellum              
d) medulla oblongata

d

Explanation: breathing centre is located in medulla oblongata



Which of the following portion of breathing centre in medulla oblongata acts to increase the rate and depth of the inspiration?
a) ventral                   
b) dorsal
c) lateral                                 
d) central

a

Explanation: it is known as inspiratory centre



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