What are the microscopic structures of the human body?!

What are the microscopic structures of the human body?

You can check out this web site:

http://en.wikipedia.org/wiki/human_anato...

Here is another web site you can check out:

http://training.seer.cancer.gov/module_a...

Here is some information from that web site.

Cells

Cells have long been recognized as the simplest units of living matter that can maintain life and reproduce themselves. The human body, which is made up of numerous cells, begins as a single, newly fertilized cell.

Tissues

Tissues are somewhat more complex units than cells. By definition, a tissue is an organization of a great many similar cells with varying amounts and kinds of nonliving, intercellular substance between them.