Question

what would happen if our backbone was straight?

Answer 1

ackchually it can change it's shape so it can be straight
but if you asked rigid then

you would be one heck of an awkward person your mobility would get affected and you would not be able to slack off .


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Answer 2

if our backbone would be straight then we would be not able to bent sit and will not be able to walk and perform any of our daily life functions