Question

How does this level of organization relate to cells? To organ tissue?

Answer 1

Not sure what you’re asking but the level of biological organization from bottom to top is:
Cells, Tissues (cells make up tissues), organs (tissues make up organs), organ systems (groups of specific organs make up organ systems), and the body (includes everything).

Answer 2

It goes from chemicals to cells, tissues, organs, organs systems, and then organism