粪3/4water,1/12dead bacteria, the remaining is cellulose.
所有跟贴·加跟贴·新语丝读书论坛
送交者: cornbug 于 2006-09-23, 12:07:41:
回答: 问一下各位才子，为什么粪总是黄的？ 由 赤城 于 2006-09-23, 09:18:42:
So the color of the feces is largely dertermined by the color of cellulose that comes from what you have ingested. However, if the cellulose is colorless then the feces color should be determined by the dead bacteria. I wonder what the color of the dead bacteria in feces is?
所有跟贴:
加跟贴