If we do not have molars then we will not be able to
Chew at all
Swallow
Grind food
Produce saliva
I have heard that a fly produce such a huge sound that we can not hear it. will the sound reach our ear. will eardrum vibrates by this. If yes how can we not able to hear such voice.?
if there is no friction we will not be able to inhale and exhale. explain