Poo is feces, commonly known as stool, which is the excretory remains of the large intestine in humans or animals.

The residual portion of food that is not absorbed is passed from the digestive tract through the large intestine and out of the anus in the form of solid, semi-fluid or fluid. It is also known as "feces" or, in the Northeastern dialect, "poop". For farmers, manure can be used as a better organic fertilizer for crops.

One-quarter of feces is water, and most of the rest is protein, inorganic matter, fat, undigested dietary fiber, remnants of digestive juices that have been dewatered, as well as cells and dead bacteria shed from the intestinal tract, and vitamin K and vitamin B.

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Extended information:

1, black or brown stools, this is a warning sign, but no need to panic! The first thing you need to do is to go to the hospital, and as long as you pay attention to a healthy diet, you will be able to show a yellow color. But if the stool is darker than usual, or purple, you must pay special attention, it may be the stomach or intestinal bleeding. This is a condition where blood is mixed into the stool and the color changes from red to black before it is excreted, so you must see a doctor immediately.

2. The main components of stool odor are indole, fecal deodorant, hydrogen sulfide, amine, acetic acid and butyric acid. Among them, indole and fecal deodorant are the root cause of the bad smell, which is a substance formed when protein is broken down by bad bacteria in the intestine; in other words, if a large amount of high protein is ingested, the stool will become smelly. And all of these things are toxic to the human body, and are absent from the stools of people with normal intestinal tracts - such as infants.

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