Answer the following question with complete details:
Give a detailed explanation of the functions performed by epithelial tissues.
Answer variants:
cuboidal epithelium
stratified cuboidal
columnar epithelium
respiratory tract
squamous epithelium
heart
a. The inner walls of blood vessels are formed by -
b. The inner lining of the small intestine consists of
-
c. Lining of kidney tubules is made up of -
d. Epithelial cells with cilia are found in -