Estrogens stimulate the development of ______. sperm production facial hair a low-pitched voice breasts

1 stanza of poem about reproductive system.

Puberty in females begins with the first menstrual cycle the development of breasts an increase in GnRH increased estrogen from follicular development the completion of meiosis in oogenesis

In mammals, primordial germ cells migration ends when they reach the _________________   posterior epiblast   germinal granules   genital ridges   germ plasm   5. allantois

In a femal human, the oogonium forms when the female is a _______________. This happens _________________. At puberty some of the primary oocytes continue meiosis. Each menstrual cycle a few will continue development. They will only go to __________________. of meiosis and stop unless fertilization occurs.

is the primary sex organ in females. The ovary vagina uterus O clitoris

In females the shedding of the uterine lining (a menstrual period) is stimulated by _________.     an increase in progesterone and estrogen levels in the blood     a decrease in progesterone and estrogen levels in the blood     release of the follicle from the ovary     the arrival of the egg in the uterus

1The gonadotropins are hormones produced by the anterior pituitary gland and affect both male and female reproductive cycles; they are, ___?____and ____?___.

Over the last decade, communication between parents and children about puberty and reproduction has ______ across all races/ethnicities.

In some cultures, eunuchs were responsible for guarding harems,which are the collective wives of one male. Eunuchs are males whowere castrated as boys. Castration removes the testes, the major site oftestosterone production in males. Because testosterone is responsiblefor the sex drive in males, the reason for castration is obvious. Asa side effect of this procedure, the eunuchs grew to above-normalheights. Can you explain why?