Who are we really ?
What is this body that we are part of..?
What is DNA?
WHY our bodies are made of 75% water?
http://www.planetdeb.net/best/184.html
http://www.rexresearch.com/gajarev/ga...
http://www.edscuola.com/archivio/lre/...
Bron: youtube.com
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