Psychology 2040A/B Chapter Notes - Chapter 4: Malnutrition, Heredity, Pubic Hair
6 Jan 2020
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Cephalocaudal pattern: fastest growth always occurs at the top of the head. Physical growth differentiation gradually works from top to bottom. Proximodistal pattern: growth starts at the centre of the body and moves towards the extremities. As they grow older the height and weight decreases with each additional year. Muscle mass and strength gradually increase as baby fat decreases. Weight increases due to increase in sketch and muscle system and size of some body organs. Puberty: period of rapid physical maturation involves hormonal and bodily changes. Precocious puberty: early onset and rapid progression of puberty. Powerful chemical substances secreted by the endocrine glands and carried through the body by the bloodstream. Hypothalamus -> structure in brain that monitors eating, drinking, and sex. Pituitary gland -> endocrine gland that controls growth and regulates other glands. Testosterone -> key hormone in development of puberty in boys. 2 years earlier for girls than for boys.
