"Neurons" are the functional unit of the nervous system; it is the specialized cells transmitting nerve impulses
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Answer:Were all worthless in this world!!!!!
Explanation:This should be obvious, we only live and then die.
It is C sensory or D not quite sure.
Scientific hypothesis can be proven to create a theory but not often fact. In order to be provable it has to be probable. If its not probable it's not possible.