The human reproductive system usually involves internal fertilization by sexual intercourse in this process the male inserts his penis into the females vagina and . Unlike the female reproductive system most of the male reproductive system is located outside of the body these external structures include the penis . Human reproductive system both male and female that are involved in human of changes that occur in a womans body as her fetus . The human male reproductive system consists of a number of sex organs that are a part of the human reproductive process functions definition anatomy disease
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