The period of physical changes to sex characteristics that marks the beginning of adolescence in males and females is Puberty.
The period of physical changes to sex characteristics that marks the beginning of adolescence in males and females is Puberty. The first option is correct.
The changes happened in the human body of either male or female is called physical changes.
The Puberty is the period of physical changes to sex characteristics that marks the beginning of adolescence in males and females.
Thus, first option is correct.
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