Awesome! Anatomy is so cool. Watching anatomy videos on YT, to me it seems like human bodies are composed of layers of biopolymers. The way all the structures a

Awesome! Anatomy is so cool. Watching anatomy videos on YT, to me it seems like human bodies are composed of layers of biopolymers. The way all the structures are arranged and the intricacy and clean distinctness of the different layers is incredibly well organized. The human body is an amazing marvel, more so in than out in many ways. Regarding gut bacteria, can you actually see biofilms of bacteria in the gut? Where do they reside? Or you can't tell with the eye?