Question: what are the 2 types of epithelial cells?
Answer: Simple. Simple epithelium consists of one layer of epithelial cells lying on a basement membrane. Cells can be squamous, cuboidal and columnar. ... 
Pseudostratified. Pseudostratified epithelium. ... 
Stratified. Stratified epithelium consists of two or more cell layers. ... 
Transitional. Urothelium.