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Name the processes by which air enters and comes out of our lungs.
 
a. Inhalation or inspiration is the same process .
 
b. Exhalation or expiration is a different process .
 
c. Inspiration means the process of expelling air into the lungs .
 
d. Inhalation means the process of taking air into the lungs .
 
e. Exhalation refers to the process of expelling air from the lungs .
 
f. Expiration refers to the process of taking air into the lungs .