Fill in the Blanks Female Reproductive SystemsOnline version Using the sixteen words provided, fill in the blanks to make this explanation of the female reproductive systems correct. Each word will be used only once. by Chelsea Baker 1 sperm labia cervix fallopian ovulation puberty clitoris cell estrogen uterus menstruation egg ovaries cells hymen Ovum tubes vagina progesterone First , are produced in two almond - shaped organs known as the . During the process of , a mature egg ( ) is released and enters one of two . For a few days , the egg cell travels towards the pear - shaped . The lining of this organ thickens in preparation for a fertilized egg . If the egg is not fertilized by the male , it will leave the body with the lining of the uterus and small amount of blood . This is called . The lower portion of the uterus is called the and is a common site of cancer in women . The female organ of intercourse is the . A circular fold of skin is usually present at the entrance to this organ and is called the . Outside of this organ are folds of skin covered with pubic hair known as the . Between the skin folds is a small , round , sensitive area of skin called the . The development of the reproductive system is triggered by the hormones and , which cause many physical changes in a girl . This period of change is called .