What are harmful effects of micro organisms in a human?
it will cause alot of pain in the human body
All micro-organisms are no food poisoning micro-organisms,but all food poisoning micro-organisms are a category of micro-organisms. Food poisoning micro-organisms are harmful for a person but all micro-organisms are not harmful for example lacto-bacallius is a micro-organisms which is present in curd(yogurt) causes no food-poisoning whereas The microorganism salmonella bacteria, causes an infectious illness and can be passed on to another person and causes food poisoning.
the intestines have a plethora of micro organisms which mainly include the Lactobacillus group that produce lactic acid. E.coli is also found in some amounts. The main significance of these intestinal micro organisms is that they prevent the growth of other harmful pathogenic organisms as they compete for basic nutrition.