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When humans are born, all parts of the reproductive system are in place, but they aren’t able to reproduce until puberty causes the body to undergo drastic changes. Learn about GnRH, the hormone that initiates these changes, and understand why puberty happens to some adolescents at nine and to others at 15. Learn the names of the various parts of the male and female reproductive systems. See what the individual organs look like and learn where they’re located. Understand how each organ in the reproductive system functions and see how the male and female systems work together to create a new life. 22 minutes. Grades 6-12. Copyright 2002.
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