Functions of Epithelial Tissue
1. Epithelial Tissue protects the body and organs from injury and entry from germs. It covers the outer surface of the body and forms the inner lining of organs.
2. Epithelial Tissue is specialized to secrete enzymes that helps in the digestion of food.
3. Certain epithelial cells, lining the small intestine and absorb nutrients from the digested food.
4. Epithelial tissue in the sweat gland and kidneys help to remove waste products from the body.