Why we smile or laugh say scientifically
Of class 10
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1
it is all about the function of Neurons.....
and this laugh or smile is controlled by hypothalamus
devarsingha3071968:
But my mam told it is controlled by pinal cord
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2
Because when something funny reach to our receptors through organs then they send message to sensory neurons they send this message to CNS and then motor neurons Carry this message and send it to effectors. Then effectors stretch the muscles of our mouth by which we can laugh or smile.
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