Want to be grossed out? Guess how much bacteria exists in the average human body?
The human body carries more than 100 trillion bacteria – up to five pounds of the tiny single-celled organisms.
Together, all of the bacteria in the body would be the size of a large liver, and in many ways, scientists say, the microbiome behaves as another organ in the human body.
(via)
So… the amount of bacteria in EACH OF OUR BODIES roughly equals this:
How about this?
Perchance this?
Maybe this will bring it home: