Human body

The biological says there are 15 sources in human body and the rest are bacteria, but the bacteria are really in use. They are useful. Bacteria digest food and might helpful. Another facts is there are 7 octolian sources in out body act as a empty spice. The third facts is mites called insects are living in eyebrows and in eyelashes. Theses are not in every people body. Only 15% people having this in 100%. There are several sources of reactive oxygen in the human body. So totally there are 3 facts of human body.