No. They do not.

[These are facts. Even if he was human at one point, he's no longer a part of that. Entirely at least. All he can do is be a good example.]

The red kingdom is the animal kingdom. Flesh kingdom. Humans and animals. Then there's mycos, the gray, fungus, and bacteria.

[He's holding something back and it might be obvious. Talking about the death leads to Abby and her role in the work they both do.]

They...exist here. I think. They must.