1.

The sheddingof the ovum and the uterine wallwith loss of blood.​

Answer»

The PERIOD, or menstruation, is when she sheds the lining of the UTERUS and other blood after her ovulated egg is not fertilized. The uterine lining is no longer NEEDED for an embryo to IMPLANT to for pregnancy. When the periods occur with regularity, this is called the menstrual cycle.



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