2. The Reproductive System The Next Generation

3. Creating a New Life Gametes - 1/2 the genetic code Gametes - 1/2 the genetic code Sperm from male - 23 chromosomes Sperm from male - 23 chromosomes Egg from female - 23 chromosomes Egg from female - 23 chromosomes When sperm penetrates egg - fertilization When sperm penetrates egg - fertilization 46 chromosomes - complete genetic information 46 chromosomes - complete genetic information All characteristics are there All characteristics are there New human life is formed New human life is formed Fertilized cell begins to develop Fertilized cell begins to develop

4. Development Egg gamete leaves ovary Egg gamete leaves ovary Travels through fallopian tube where it can be fertilized Travels through fallopian tube where it can be fertilized This new life continues to multiply as it travels to uterus This new life continues to multiply as it travels to uterus Once in the uterus it implants in the lining forming the umbilical cord Once in the uterus it implants in the lining forming the umbilical cord This will be its life support while developing in the womb This will be its life support while developing in the womb

5. Humanistic Reasoning I am the only one that matters I am the only one that matters There is no God, we are all a matter of chance, developed from animals, and not human until we are born There is no God, we are all a matter of chance, developed from animals, and not human until we are born Justify abortion because it is not human Justify abortion because it is not human Once the baby is born it is protected by law Once the baby is born it is protected by law Up until the minute is born it is a thing that can be killed Up until the minute is born it is a thing that can be killed

10. 4 weeks

11. 8 weeks - 1/2 inch long, eyelids and ears forming, arms and legs well formed

12. 12 weeks - 2 inches, moving on its own, can hear heartbeat

13. 16 weeks - 4 1/2 inches, eyes can blink, heart and blood vessels are fully formed, fingers/toes/fingerprints

14. 20 weeks - 6 inches, sucks thumb, yawns, stretches, makes faces

16. 24 weeks - responds to sounds

17. 28 weeks - good chance to survive if borned

18. 36 weeks - brain almost fully developed, lungs nearly developed

19. 40 weeks

20. http://www.youtube.com/watch?v=AoisqOGQIVE http://www.youtube.com/watch_popup?v=fKyljukBE70