study guide exam 2
==Four basic types of tissues==: Epithelial, Connective, Muscle, Nervous
==Epithelial tissue==
- lines many body cavities and covers the body
- can be classified by #’s cell layers and shape of these cells
- do not have any blood vessels
- classified by shape of cells: squamous, cuboidal, columnar, transitional
- simple squamous: single layer of scale like cells
- Stratified squamous epithelium: serval layers of closely packed cells