<Ul> <Li> Table of epithelia of human organs </Li> </Ul> <Li> Table of epithelia of human organs </Li> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul>

How many types of epithelial tissues are there