Dear Aspirants ,

Humans reproduce sexually. They are viviparous, i.e. giving birth to the young ones. Human reproduction comprises a number of sequential steps. Gametogenesis- production of male (sperm) and female (ovum) gametes .Insemination- transfer of male gamete to female genital tract. Fertilization- the fusion of gametes to form a zygote .Blastocyst development- the continuous mitotic division in zygote. Implantation- attachment of blastocyst to the endometrium of the uterine wall .Gestation- embryonic development (9 months in human) .Parturition- childbirth .Male and female reproductive organs differ in the structure, function and development .

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