Meet a few of the 100-trillion lifeforms that call your body "home"

Scientific American is hosting a great interactive web applet that introduces you to the microorganisms that treat the various nooks, crannies, tissues and organs of our bodies like so many different ecosystems.

These tiny creatures comprise the native members of a community more commonly known as the human microbiome — an assortment of 100-trillion or more organisms that resides in and on every human being on Earth.

You can click through to explore the applet, which features helpful links to relevant publications. For more info on the growing field of research that investigates the relationship between humans and their microscopic inhabitants, check out this in-depth feature by SciAm's Jennifer Ackerman. [SciAm]