Single layer of flattened cells with disc-shaped central nuclei; the simplest of the epithelium.

What tissue type is this

Location: Under skin; around kidney and eyeballs; in bones and within abdomen; in breasts.

Wraps and cushions organs; its macrophages phagocytize bacteria; plays important role in inflammation; holds and conveys tissue fluid.

The nucleoplasm and cytosol make up the ________ fluid.

The movement of substances through the cell membrane against their concentration gradient is a type of ________ process

Epithelial tissues have one free surface or edge known as the ________ surface.