The development of embryo takes place in the uterus of moters womb . so the uterus prepare itself every month for receiving and fertilizing the embryo.Mensturation is the process of removal of mucus and blood from the uterus of women's body if the fusion of male and female gamete does not take place .
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Explanation:
The development of embryo takes place in the uterus of moters womb . so the uterus prepare itself every month for receiving and fertilizing the embryo.Mensturation is the process of removal of mucus and blood from the uterus of women's body if the fusion of male and female gamete does not take place .