People do all sorts of things to get attention. And why? It may be the last thing on his mind, but this man's body is working toward this.
Whether we're thinking about it or not, our bodies want to make babies. And our bodies are very good at it. Around the world about 365,000 new babies get made every day. (site)
1. Passing on Your DNA advantages of sexual reproduction sperm meiosis running time 09:53 |
2. The Egg's Journey expectant parents finding a mate intercourse running time 06:00 |
3. The Sperm's Journey obstacles reaching the egg entering the egg running time 05:41 |
4. The First Two Weeks |
5. The Embryo Takes Shape gastrulation cells on the move turning genes on running time 07:47 |
6. Messages in the Genes |
7. Feeding the Growing Fetus the placenta organs begin to function a remarkable transformation running time 06:39 |
8. The Third Trimester the growing brain pain and danger of human birth a new life running time 07:07 |
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Source from www.pbs.org
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