How small are the microorganisms that live on and in the human body? Answer it in at least 1 paragraph

The human body contains trillions of microorganisms — outnumbering human cells by 10 to 1. Because of their small size, however, microorganisms make up only about 1 to 3 percent of the body's mass (in a 200-pound adult, that's 2 to 6 pounds of bacteria), but play a vital role in human health.

your answers are a,b,,e and f

i hope this