What is the role of protozoa in the digestive system?

Protozoa in the digestive system, occupying their biological niche, prevent colonization of the intestine by pathogenic organisms that cause disease. They take part in digestion, ferment fiber and other digestive fibers. They acidify the intestinal cavity, thereby creating unfavorable conditions for pathogenic microbes. They produce a number of vitamins and microelements, essential for humans, for example, vitamin K, which stops bleeding.



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