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When a human egg is not fertilized, extra blood and tissue from the uterus are released through the vagina in a process called

Sagot :

Answer:

Unless the egg is fertilized by a sperm while in the fallopian tube, the egg leaves the body about 2 weeks later through the uterus — this is menstruation. Blood and tissues from the inner lining of the uterus combine to form the menstrual flow, which in most girls lasts from 3 to 5 days.