Because it contains undigested food, mucus, dead body tissue and toxins
The brown stuff is their feces.
No, brown paper bags are made from recycled paper or from wood chips and other fibres. They are brown because they are not bleached. There is no feces involved.
Dark brown
Feces/Faeces is the brown stuff that periodically comes out of your posterior.
It is brown like us
it can be if left for a long time but usually its just brown
Feces, usually. Month-old meat loaf.
The anus is the area where the feces exits the body.
Feces is brown mostly because of the bile that has remained in there since the gallbladder secreted it into the digested food. Bile itself is broken red blood cells. When feces form, their reddish brown color comes from these broken blood cells.
These brown dots on your walls and ceiling can usually be attributed to fly feces.
Feces are brown due to the breakdown of old red blood cells and bile in the digestive process. The brown color comes from bilirubin, a pigment produced by the breakdown of hemoglobin in the liver. Dietary components and gut bacteria also contribute to the color of feces.
Dark brown, the normal color.