Question

During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation with boys

• A. Loss of milk teeth
• B. Increase in height
• C. Cracking of voice
• D. Weight gain

Answer 1

The correct option is C

Cracking of voice

The correct option is C.

Explanation of the correct option :

1. Adolescence is the period between childhood and adulthood. Puberty is the age at which men and females reach sexual maturity.
2. During adolescence, the human body goes through various changes. The start of puberty is indicated by these changes.
3. The changes that occur at the time of puberty in boys are:
   • Muscule growth
   • Broad shoulders
   • Growth of body hair and facial hair
   • Release of hormone from the testis that is testosterone (responsible for cracking of voice and other sexual growth).
   • The voice crackling occurs due to rapid growth in the larynx, which stretches the vocal cords.

Final answer: During adolescence, several changes occur in the human body, one change associated with sexual maturation in boys is the cracking of voice.