PSYC 3509 Lecture Notes - Lecture 2: Pituitary Gland, Junk Food, Grip Strength
2 May 2016
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Document Summary
Puberty is a biological revolution that dramatically changes the adolescent"s anatomy, physiology, and physical appearance the period during which an individual becomes capable of sexual reproduction. Hypothalamus monitors levels of sex hormones in the bloodstream. Pituitary gland responds to the level of gnrh by increasing production of fsh, lh and acth. Gonads and adrenal glands respond to higher levels of fsh and lh by increasing the amount of sex hormones produced. Asynchronicity body parts develop at different rates. 1/3 of all north american adolescents eat fast food at least one meal per day. Increase of availability of sodas and junk food machines in the schools. Obese adolescents have higher levels of leptin. Reaction time is slower in emerging adulthood false. Grip strength in men peaks in emerging adulthood true. Cardiac output peaks at 18 years of age false- peaks at 25 (both sexes) Females are born with about 400,000 immature eggs in each ovary; this drops to 80,000 by puberty.
