4. What are epithelial tissues?
What are their general
function and how is that
function associated to the
features of the tissue?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Epithelial tissues, also epithelia,
are tissues in the covering
external and internal of the
body.

general function of epithelium is
to protection and
impermeability ( selective
permeability) to covered structure.
This the epithelium's typical
: the cellular juxtaposition
layers of very cells
with diminished none intercellular
space each two neighbour .