These
changes happen
because the
body prepares
itself for
adulthood
.
Special chemicals
called
hormones
control these changes in our body.
Example
—
Growth hormone
makes us
taller
,
other hormones
change our
voice
.
This is a
natural process
that happens to
every human being
.
Why Do These Changes Happen?
Last updated at April 26, 2026 by Teachoo