Intestinal bacteria can metabolize undigested food, make vitamins and neurotransmitters, and produce substances that the colon can use for energy. They are fundamental during digestion.
The intestinal bacteria form a very complex ecosystem inside the digestive system, which is known as microflora.
There are more than 350 bacteria species located in the intestinal microflora.
Many of the species of the intestinal microflora are anaerobic bacteria that can metabolize waste products in absence of oxygen during digestion.
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