Question

how are microorganisms helpful.to us​

Answer 1

Answer:

For example, each human body hosts 10 microorganisms for every human cell, and these microbes contribute to digestion, produce vitamin K, promote development of the immune system, and detoxify harmful chemicals. And, of course, microbes are essential to making many foods we enjoy, such as bread, cheese, and wine...........

Answer 2

to take oxygen we take half half the oxygen from microorganisms