Last Updated On [03-11-2023]
Rate of breathing is controlled by
a)
The amount of freely available oxygen
b)
Carbon dioxide
c)
Muscular functions of the body
d)
None of the above
Rate of breathing is controlled by
a)
The amount of freely available oxygen
b)
Carbon dioxide
c)
Muscular functions of the body
d)
None of the above
Question ID - 2953 :-
Rate of breathing is controlled by
a)
The amount of freely available oxygen
b)
Carbon dioxide
c)
Muscular functions of the body
d)
None of the above
|
Rate of breathing is controlled by |
|||
|
a) |
The amount of freely available oxygen |
b) |
Carbon dioxide |
|
c) |
Muscular functions of the body |
d) |
None of the above |
(d)
Breathing is entirely under nervous control. A ‘respiratory centre’, located bilaterally in medulla oblongata and pons Varolii of the brain not only regulates normal breathing, but also automatically adjusts the breathing rate to the varying requirements of body during various stress conditions such as exercise, fear, pain, anger, fever, worry, etc, and in activities like speaking, playing a musical instrument, yogic exercise, etc, because of this oxygen 
and carbon dioxide 
in blood remain almost static in all conditions. Also we may voluntarily hold out breath for sometime, but not for a longer time due to this nervous control.
Next Question :
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Emphysema is a chronic disorder which is caused due to |
|||
|
a) |
Damaged trachea |
b) |
Damaged nostrils |
|
c) |
Damaged alveolar walls |
d) |
Damaged lungs |
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