Write true $(T)$ or false $(F)$ for the following statements:
$(a)$ Epithelial tissue is a protective tissue in the animal body.
$(b)$ The lining of blood vessels,lung alveoli,and kidney tubules are all made up of epithelial tissue.
$(c)$ Epithelial cells have a lot of intercellular spaces.
$(d)$ The epithelial layer is a permeable layer.
$(e)$ The epithelial layer does not allow the regulation of materials between the body and the external environment.

(A-D) $(a) - T$: Epithelial tissue forms the outer covering and protective layers of the body.
$(b) - T$: These structures are lined by simple squamous or cuboidal epithelium for exchange and secretion.
$(c) - F$: Epithelial cells are tightly packed with almost no intercellular spaces.
$(d) - T$: The epithelial layer is permeable,allowing the exchange of substances.
$(e) - F$: The epithelial layer plays a crucial role in regulating the exchange of materials between the body and the external environment.