What is the total mass of bacteria in the body? From the total colon The Number of Human Cells in a “Standard” Adult Male. Many literature.
Because of their small size, however, microorganisms make up only about 1 to 3 percent of the body's mass (in a pound adult, that's 2 to 6.
If you've ever read anything about the colonies of bacteria that live They found that for a man between 20 and 30 years old, with a weight of about 70 kg the average adult, he said, that equals a total of trillion microbes.