Activity card, whats new , refer to the figure below for a clearer explanation of the different event that take place in the cycle. just follow numbers 1-10 in proper order, 4.The ovary releases an egg on day 14. Assume that no sperm is present., 5.The egg moves through the oviduct and enters the uterus., l6.Meanwhile the uterine lining continues to thicken. , 7.The egg has not been fertilized, therefore, it will not attach to the uterus., 8.The thick uterine lining is no longer necessary, so the cells of thethickened uterine lining break off and leave the vagina. The unfertilizedegg is lost and some blood is lost too. This loss of cells from theuterine lining, blood, and egg is called menstruation., 9.After menstruation, the cycle starts again. ,