PS276 Study Guide - Midterm Guide: Secondary Sex Characteristic, Labia Majora, Sex Organ
Document Summary
Body undergoes a biological revolution that dramatically changes the adolescent"s anatomy, physiology and physical appearance. Puberty: changes in physiology, anatomy, physical functioning that develop a person into a mature adult biologically and prepare the body for sexual reproduction. Endocrine system made up of various glands that release hormones. Certain level of body fat needed to produce a protein called leptin. Once level of fat has been met, hypothalamus increases production and release of the hormone gnrh (gonadotropic releasing hormone) Endocrine system: network of glands in the body, through hormones the glands coordinate their function and affect the development and functioning of the body. Leptin: a protein produced by fat cells that signals the hypothalamus to initiate the hormonal changes of puberty. Gnrh (gonadotropin-releasing hormone): hormone released by the hypothalamus that causes gonadotropins to be released by the pituitary. Hormones: chemicals, released by glands of endocrine system, affect developing and functioning of the body.
