[throwaway4585]

Again, there's a lot more nuance to this. Look into the rabbit hole of cadherin/catenin or how epithelia are formed to see how a tissue is much more than a bundle of cells.

This hierarchical way of thinking is only designed for humans - because it helps us think more clearly. It's a crutch when you're attempting to learn, but at some point it becomes a hindrance when you want to run.