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Cards In This Set
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n The
beginning of adolescence
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- puberrty
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Period of rapid physical growth and sexual
maturation
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Puberty
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Puberty is n typically
completed __ - __ years after first visible signs
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3-4
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What is puberty influenced by
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Pubertal timing influenced by genetics,
ethnicity, and body fat
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Puberty begins with
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Hormone production to the brains
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puberty Begins
with hormone production in brain
n Hormones
from ___ trigger production in ___ ___
n Pituitary
gland then:
n
Stimulates the ___, or sex glands
(ovaries in females, testes in males) to begin producing ___ __
n
produces __ ___ and
stimulates ___ to produce ___ -
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- hypothalamus - pituitary gland- gonads- sex hormones - growth hormone - thyroid- thyroxine
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(androgens and estrogens) – which are responsible for the development of the primary and secondary sex characteristics
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Sex-hormones
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Which contribute to body size and skeletal maturation.
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Thyroxine
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Ovaries – estrogens à
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Growth spurts
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Testes- testosterone à
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Gain in bone
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Adrenal cortex makes
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Androgens
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Thyroid makes and causes
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Thyroxin - growth hormone- skeletal maturation
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n Timing for puberty
n Girls
à __ –__ years
n Boys
à __ – __ years
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- 10 -14- 12 -16
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Body changes in girls
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Hips broaden - gain fat on arms, legs, trunk
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Body changes in boys
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- shoulder's broaden - lose fat from these areas- develop larger skeletal muscles, heart and lung capacity
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