explain about secondary sexual characters in boys
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explain about secondary sexual characters in boys
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Secondary sexual characteristics in boys are physical features that distinguish males from females but are not directly part of the reproductive system. They typically start to appear during puberty due to hormonal changes. Here are some of the secondary sexual characteristics that develop in boys:
1. Increased Muscular Development: Boys develop a heavier muscular body.
2. Broad Shoulders and Narrow Hips: Boys develop wide shoulders and narrow hips.
3. Voice Change: The enlargement of the voice box leads to a much deeper voice.
4. Hair Growth: Rapid hair growth occurs under the armpit, in the pubic area, and on the face in the form of a beard and mustache.
5. Adam's Apple Development: The Adam's apple, which is part of the larynx or voice box, becomes larger.
6. Testis Maturation: The testes mature and start to produce sperms.
These changes are primarily driven by the increased secretion of testosterone from the testes during puberty. This hormone directly increases the size and mass of muscles, vocal cords, and bones, deepening the voice, and changing the shape of the face and skeleton.
Answer:
Secondary sexual characters are those characters that are governed by the hormones released at the time of puberty and usually are around two years earlier in females than in men. The secondary sexual characteristics in males are : Hair growth on the face in the form of a beard and mustache. The growth of his testicles