4) The human brain is composed of _________
of pulsating neurons.
a) squads
b) thousands
c) millions
d) billions
The answer is d) billions.
Small, but mighty is the human brain.
Though commonly considered to be used to only 1/10 of its potential,
the brain crowns the bodies with a mass of interconnecting neurons
which allow it to govern the body's abilities
to sense, communicate, move and maintain itself.
While a person may sleep and rest,
his/her brain centers are always active and vigilant.
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