The purpose of epithelial tissues

Answer 1

Epithelial tissues performs the following functions:

1. Protection

Epithelial tissue provides physical protection of exposed structures from:

• abrasion
• biological agents
• chemicals
• dehydration
• destruction

2. Control permeability

Substances that enter or exit the body usually have to travel across an epithelial barrier. Epithelial tissues may be permeable or selectively permeable (only letting certain substances through and not others)

3. Sensation

Neuroepithelium is a specialized type of epitheliun with a large sensory nerve supply allowing it to provide sensations such as:

• hearing
• sight
• smell
• taste
• equilibrium (balance)

4. Secretion

Some epithelial tissue is specialized to produce secretions.

Answer 2

Epithelial has three major functions (1)selective barriers that limit or aid the transfer of substances into and out of the body;(2)secretory surfaces that release products produced by the cells oto their free surfaces;and (3)protective surfaces that resist the abrasive influence of the enviorment.

Answer 3

Epithelial tissue form the lining of body cavities, covers interior and exterior body surfaces and form the secretory portions of glands. Overall they serve to provide protection, secretion, absorption, reception, transportation

Answer 4

the function is to keep bowel movements insede your behind until it comes out

Answer 5

to line the cavities & structures throughout the body and also form many glands

Answer 6

They covers the free surfaces in the body. That is the main function.