+Feces (from Latin *faeces*) are the solid or semi-solid residual waste products of [Digestion](/wiki/digestion) expelled from an organism's digestive tract. Composed primarily of undigested food, bacteria, and dead cells, they are essential in [Nutrient Cycling](/wiki/nutrient_cycling) and provide vital information on an animal's health.
+## See also
+- [Excretion](/wiki/excretion)
+- [Waste Product](/wiki/waste_product)
+- [Gastrointestinal Tract](/wiki/gastrointestinal_tract)
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