Multiple choice general knowledge

There are about one thousand bacteria on each of your feet.

  1. True

  2. False

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Human skin hosts millions of bacteria per square inch, so each foot would have billions, not thousands. The skin microbiome is incredibly dense, with estimates of 1 million to 1 billion bacteria per square centimeter. One thousand bacteria is a vast underestimate.