Question

What role do microorganisms play in our body or animal body

Answer 1

Microorganisms or Microbes play a very important role in our body.Some bacteria help in developing our immune system.Some other microbes help in digestion of food.But sometimes these microbes become very harmful for the body.

Answer 2

Answer:Without them we wouldn't be able to survive. They help us digest  food, produce vitamins, and occupies niches that otherwise would be  available for competing pathogens.