What are the secondary sexual characters we observed in adolescent boys and girls?
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Changes developed in Boys
- Boys develop the heavier muscular body, wide shoulders, and narrow hips.
- Enlargement of the voice box leads to a much deeper voice.
- Maturation of testis and starts to produce sperms.
- The growth of hairs on the chest.
- Enlargement of Adam’s apple.
Changes developed in girls
- Rounded hips and breast development.
- Matured ovaries start to release a mature ovum.
- Ovulation and menstruation initiate.
- Mammary gland enlargement.
Testosterone hormones produced in the testis of males and estrogens released in ovaries of females are responsible for these changes in the males and females respectively.
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