Identify an endocrine structure of the female reproductive system and explain its functions.

ovaries, the uterus and fallopian tubes function because of hormone regulation. ovaries release the ovum down the fallopian tubes into the uterus to be fertilized by the male sperm, if the egg is not fertilized the egg will carry onto the menstruation cycle

answer; /// i believe the answer is (phenylketonuria);

precisely the author keeps the interest of readers not describing clearly the   kind of relationship in giselle's family. by doing this, readers had to imagine and assume how it was.   instead, the author described better scenes with dark star and the influence of books about horses in giselle's life and actions.   also the fact that she broke her arm but not referring to it in detail leads the readers to imagine and guess what could have occurred.