PSYC 2103 Lecture Notes - Lecture 11: Robert Sternberg, Human Tooth Development, Libido
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18-25 years is the young adulthood or youth. In the past, this was the time of hard physical work and childbearing, but that has changed. Current level of food availability means that globally emerging adults have reached full height usually. Girls at age 16 years and boys at age 18 years. Mus(cid:272)le g(cid:396)o(cid:449)th a(cid:374)d fat a(cid:272)(cid:272)u(cid:373)ulatio(cid:374) (cid:272)o(cid:374)ti(cid:374)ue th(cid:396)ough the ea(cid:396)ly (cid:1006)0(cid:859)s. wo(cid:373)e(cid:374) attai(cid:374) adult (cid:271)(cid:396)east a(cid:374)d hip sizes. Men reach full shoulder with and upper arm strength. By 20 years the immune system is well developed. Blood pressure, tooth development, heart rate is steady, brain is fully grown, lung capacity is as large as it will be. Death from disease is rare in this stage. Homeostasis: adjustment of all body systems to keep physiological functions in a state of equilibrium. As the (cid:271)ody ages, it takes lo(cid:374)ge(cid:396) those adjust(cid:373)e(cid:374)ts to o(cid:272)(cid:272)u(cid:396) a(cid:374)d olde(cid:396) (cid:271)odies do(cid:374)(cid:859)t adapt (cid:449)ell to st(cid:396)ess.
