Psych 350 - Chapter 2 Notes

Psych 350 - Chapter 2 Notes - The Biological Revolution of...

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The Biological Revolution of Puberty Body undergoes a "Biological Revolution" Timing Endocrine System The endocrine system consists of various glands in various parts in the body which release hormones that affect the development and functioning of the body Puberty is initiated in the hypothalamus, by ingreasing gonadotropin-releasing hormone (GnRH) The increase in GnRH affects the pituitary gland which causes gonadotropins to be released from the pituitary The two gonadotropins are follicle-stimulating hormone (FSH) & luteinizing hormone (LH) Two classes of sex hormones: Estrogens estradiol Androgens Testosterone Physical Growth During Puberty The adolescent growth spurt is one of the first signs of puberty Peak high velocity is when the growth spurt is at its maximum Girls usually reach their peak height velocity 2 years earlier than boys Asynchonicity - uneven growth of different parts of the body occurs during puberty Obesity Many gain weight during puberty but many are gaining more weight than is necessary. Obesity is weighing 20% or more above the maximum healthy weight for height and 25% or more for females Physical functioning in Emerging Adulthood Even after maximum height is attained, the bones continue to grow in density and beak bone mass is reached in the 20s
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Psych 350 - Chapter 2 Notes - The Biological Revolution of...

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