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Explore the journey of life from conception to birth, diving into both the female and male reproductive systems. Witness the amazing stages of development from zygote to embryo to fetus, and unravel the mysteries of twins and the race of sperm.
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THE REPRODUCTIVE SYSTEM FROM CONCEPTION TO BIRTH
THE FEMALE REPRODUCTIVE SYSTEM • http://videos.howstuffworks.com/hsw/17082-the-reproductive-system-female-video.htm
MALE REPRODUCTIVE SYSTEM • http://videos.howstuffworks.com/hsw/16809-the-reproductive-system-male-video.htm
JOURNEY OF THE SPERM It's like a race with only one winner.
TWINS • http://videos.howstuffworks.com/hsw/19137-the-mystery-of-twins-becoming-an-identical-twin-video.htm
STAGES OF DEVELOPMENT • 1 day - 'zygote' • 1 month - 'embryo‘ • 3rd month to birth - 'foetus'