There are actually 10 times more bacterial cells in your body than human cells! (thehealthyhomeeconomist.com)
This intelligent bacterial ecosystem in your gut makes up the majority of your immune system, and your body actually contains 10 times more bacterial cells than human cells! (mindbodygreen.com)
There are way more bacterial cells in our bodies than there are cells with our DNA, we couldn't live without them. (religion.blogs.cnn.com)