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Questions & Answers on General Knowledge.

What are the uses of smell?
Smell is an important sense that our nose helps to detect. Smell helps us to examine the environment around us. Our nose continuously tests the air we breathe and alerts us accordingly. It warns us in case of potential dangers like smoke or poisonous gas or tells us about the presence of other people or objects. Most importantly smell serves as a recognition function. Each of us has a unique smell and often we recognize one another by smell. This is how even a new born baby recognizes his mother!
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