three to four pounds of bacteria soup can carry soup can soup can bacteria that outnumber human cells 10 to 1 three to four pounds of bacteria three pounds 10 times About 5 lbs. of bacteria reside in your intestine soup can three pounds three to four pounds of bacteria 5 lbs. of bacteria POPSCI three to four pounds of bacteria a large can of soup source FYI: How Much Bacteria Do People Carry Around? three pounds three to four pounds of bacteria