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Question
During inhalation oxygen is taken in and carbon dioxide is given out during exhalation. This process is called 
Options:
A .  Respiration
B .  Breathing    
C .  Pumping    
D .  Circulation
Answer: Option B
:
B
The process during which oxygen is inhaled into the lungs through the noseand then carbon dioxide is exhaled out is called breathing. This process ensures the body gets sufficient supply of oxygen.
Respiration is a process that take place inside cells during which energy is released.
The heart pumps blood to all parts of the body and this process is called circulation.

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