The ____ include the androgens, estrogens, and progestogens. Progesterone is in a class of medications called progestins (____). ____ are a group of hormones that play an important role in the normal sexual and reproductive development in women. Testosterone is produced by the gonads (by the Leydig cells in ____ in men and by the ____ in women) The ____ is a small but important area in the center of the brain. Rounded immature sperm cells undergo successive mitotic and meiotic divisions (____) and a metamorphic change (____) to produce spermatozoa. "LH" Stands for ____. Puberty is the time in life when a boy or girl becomes ____. ____, including testosterone and its metabolites, have a profound role in behavior and vocalization. The testes are responsible for making testosterone, the primary ____ sex hormone, and for producing sperm.

Human Reproduction Hormones

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