Answers

  • Brainly User
2014-11-16T14:24:32+05:30
To smell usually............................. and to expell the mucus to make our body clean and pure
  
0
2014-11-16T14:25:44+05:30
In order to breath the air .but we can also breath through mouth brething through nose is the best way it the hair particles which were present in the nose filters the air and sends inside to lungs
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