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Answers
Answer:
1 a) You can find your larynx by touching the front of your throat and humming. When you feel vibrations under your fingers, you've found it! When the larynx grows larger during puberty, it sticks out at the front of the throat. This is what's called an Adam's apple.
b)Secondary characteristics are the result of hormonal changes in the body during puberty. These changes are faster in girls than in boys. Some changes are common in both boys and girls while others are specific to each gender. This is due to the different hormones released by them. Growth of pubic hair, facial hair and under the armpit, increase in height, sweating, etc. are some of the secondary sexual characteristics.
Change in height: Most prominent change that occurs in adolescents is the change in their heights. Growth hormone secretion and bone growth are much higher during this time.
Sweat and Sebaceous glands: The pimples and acne in adolescents are mostly due to the increased activities of sweat and sebaceous glands
Hair growth: Another observable change is rapid hair growth under the armpit and pubic area.
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.
2) As their bodies experience hormonal changes, most adolescents experience extreme mood swings.As a result of trying to adjust to the changes in the body and mind , adolescents often find themselves feeling confused , insecure and self conscious. This is a natural part of growing up and in experienced by everyone.
3) In boys, under the influence of hormones (testosterone), larynx grows prominently, vocal cords become longer and thicker, causing the voice to become hoarse.
4) The most important change which marks puberty is that boys and girls become capable of reproduction. Puberty ends when an adolescent reaches reproductive maturity.
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