Why is fecal matter brown?


	Why is fecal matter brown?

ArghDangIt

11-1-2006 6:42 PM

484 views

tags:

fecal matter, poo, poop, feces, dung, excrement, crud, brown, science

2 Comments |

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11-1-2006 6:51 PM

giraffe42

now we just need to figure out why it tastes the way it does

11-1-2006 6:59 PM

egoldstein

um, did you mean smell? i'm hoping/assuming you meant smell.

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://www.clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/7020a8c2-ebcf-4a7a-9e28-09bb60b938ef/ABD3A115-9FB6-4C6A-B4BB-17403052E078/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.livescience.com/mysteries/061101_feces_brown.html" href="http://www.livescience.com/mysteries/061101_feces_brown.html" style="font-size: 11px;">www.livescience.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/mysteries/061101_feces_brown.html"><SPAN>Feces are
fascinating. Flush down your initial grade-school scatological silliness and
you'll discover a world of energy efficiency and unparalleled waste management.
If machines, industries and nations ran as well as your <A href="http://www.livescience.com/humanbiology/060105_stomach_bacteria.html">stomach</A>,
intestines and colon, we could say goodbye to a lot of landfills. </SPAN></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/mysteries/061101_feces_brown.html"><SPAN>The complex
digestion process ensures that almost no useful energy goes unused. The average
bowel movement is three parts water to one part solid matter. <A href="http://www.livescience.com/humanbiology/060328_bad_bacterial.html">Bacteria</A>
make up 30 percent of the solid stuff. The same goes for indigestible foods
like cellulose and extra fiber. The remaining 40 percent contains various
inorganic wastes, fats and used-up body substances like red blood cells, which
are released from the liver in an orange-brown compound called bilirubin. </SPAN></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.livescience.com/mysteries/061101_feces_brown.html"><SPAN>Bilirubin
mixes with another liver product, yellowish bile, to give <A href="http://www.livescience.com/humanbiology/060601_gut_microbes.html">poo</A>
its distinctive hue.</SPAN></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/ABD3A115-9FB6-4C6A-B4BB-17403052E078/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>