Most of us know these signs of puberty like hair growing in private areas, the monthly period a girls, increasing body odor of teens, changing or deepening of voice in boys, breast development in girls and many others. We should be knowledgeable and understand these series of changes happening to teenagers during puberty
These are some of the general changes that happen to adolescent boys
and girls during puberty:
• There is a rapid increase in height and weight. Boys experience this usually two years later than girls. The head, hands and feet grow faster first, then the arms and legs, and then the chest and shoulders. This is why the body of an adolescent seems to be out of proportion.
• Changes in circulatory and respiratory systems—The lungs and heart work better, so the teenagers become stronger and can work longer, although the increase is more in boys than in girls.
• Body composition—Muscles develop rapidly, although boys’ muscles grow faster than girls’. Body fat increases, although the increase in girls’ body fat is more than the boys’.
usually boys and girls get fat at this stage. In girls, fat usually accumulates inside the breast and hips which is very evident during the process. For the boys body fat increase as making bigger than before.
• Other changes:
o Increase in hormone production.
o Harder bones
o More active sweat glands
Primary sex characteristics are changes directly related to sexual
reproduction.
The reproductive organs of both boys and girls grow and develop. The boys
experience their first release of seminal fluid or ejaculation from the penis. The
girls experience menarche or the first release of blood and fluids from the vagina,
later called menstruation.
Secondary sex characteristics are changes not directly related to sexual
reproduction.
Boys
• deeper voice
• bigger Adam’s apple
• shoulders become wider than the hips.
• face, body and pubic area hair growth
• skin on the upper arms and thighs becomes rough.
Girls
• development of breast
• hips become wider than the shoulders.
• underarm and pubic area hair
Usually after a girl's 8th birthday or after a boy turns 9 or 10, puberty begins when an area of the brain called the hypothalamus starts to release gonadotropin-releasing hormone (GnRH). When GnRH travels to the pituitary gland (a small gland under the brain that produces hormones that control other glands throughout the body), it releases two more puberty hormones — luteinizing hormone (LH) and follicle-stimulating hormone FSH). [1]
What happens next depends on gender:
and girls during puberty:
• There is a rapid increase in height and weight. Boys experience this usually two years later than girls. The head, hands and feet grow faster first, then the arms and legs, and then the chest and shoulders. This is why the body of an adolescent seems to be out of proportion.
• Changes in circulatory and respiratory systems—The lungs and heart work better, so the teenagers become stronger and can work longer, although the increase is more in boys than in girls.
• Body composition—Muscles develop rapidly, although boys’ muscles grow faster than girls’. Body fat increases, although the increase in girls’ body fat is more than the boys’.
usually boys and girls get fat at this stage. In girls, fat usually accumulates inside the breast and hips which is very evident during the process. For the boys body fat increase as making bigger than before.
• Other changes:
o Increase in hormone production.
o Harder bones
o More active sweat glands
Primary sex characteristics are changes directly related to sexual
reproduction.
The reproductive organs of both boys and girls grow and develop. The boys
experience their first release of seminal fluid or ejaculation from the penis. The
girls experience menarche or the first release of blood and fluids from the vagina,
later called menstruation.
Secondary sex characteristics are changes not directly related to sexual
reproduction.
Boys
• deeper voice
• bigger Adam’s apple
• shoulders become wider than the hips.
• face, body and pubic area hair growth
• skin on the upper arms and thighs becomes rough.
Girls
• development of breast
• hips become wider than the shoulders.
• underarm and pubic area hair
1. http://kidshealth.org/parent/growth/growing/understanding_puberty.html#
2. Grade 7 Leaners' Manual pp 20 - 21
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