what is poo? where does it come from?
is this question serious? how deep do you wanna know?
I don't understand what it comes from.
semen is the "left over" such as waste left from whatevr was digested in the body , do you need more info? >_>
okay, I will put it in words as simple as possible. :-) you eat stuff. this stuff takes on a journey through your body. it is on the way enriched with fluids, starting with saliva, then bile juices, stomach acid and so on. most of the nutrients in the food are broken down and get into your blood. the left-over stuff, that doesn't contain much nutrients anymore, is now in your colon where it gets dried out. the lump that remains is what we call 'poo'. to sum up: poo is your food - nutrients - water + some left-overs from your bodily juices.
any more questions? =)
oh...
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