ahlam1399
09-05-2014, 08:02 AM
http://i.ytimg.com/vi/xyU34Fhi0FY/default.jpg (http://www.youtube.com/watch?v=xyU34Fhi0FY&feature=youtube_gdata)
What Happens After You Flush? (http://www.youtube.com/watch?v=xyU34Fhi0FY&feature=youtube_gdata)
Humans have always peed and pooped, but where it goes after we've done our business has changed a lot. In fact: The water you just drank may well have been a part of someone's urine just...
From:SciShow (http://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow)
Views:54341
http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_half_11x11.gif
3899ratings
Time:10:03More inEducation (http://www.youtube.com/videos?c=27)
أكثر... (http://www.youtube.com/watch?v=xyU34Fhi0FY&feature=youtube_gdata)
What Happens After You Flush? (http://www.youtube.com/watch?v=xyU34Fhi0FY&feature=youtube_gdata)
Humans have always peed and pooped, but where it goes after we've done our business has changed a lot. In fact: The water you just drank may well have been a part of someone's urine just...
From:SciShow (http://www.youtube.com/channel/UCZYTClx2T1of7BRZ86-8fow)
Views:54341
http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_full_11x11.gif http://gdata.youtube.com/static/images/icn_star_half_11x11.gif
3899ratings
Time:10:03More inEducation (http://www.youtube.com/videos?c=27)
أكثر... (http://www.youtube.com/watch?v=xyU34Fhi0FY&feature=youtube_gdata)