Types and function of Epithelial tissues

Epithelial tissues

ü  They line the outer body skin of animals.

ü  They also line organs and cavities.

ü  These cells are tightly packed together.

Some of its types are;

Squamous epithelium

·         These are flat cells consisting up of a single layer.

·         They are found in lungs, heart and blood vessels and allow movement of materials through it.              

Cuboidal epithelium

·         They have cube-like shape consisting up of single layer.

·         These cells are found in small glands, and kidney tubes.

·         They allow secretions.

Ciliated columnar epithelium

·         They are elongated cells having cilia.

·         They are found in trachea, bronchi and propels mucous.

Columnar epithelium

·         They are elongated cells.

·         They have rule in digestion and are found in gall bladder and alimentary canal.

·         It makes secretions.

Stratified squamous epithelium

·         It has many layers of flat cells.

·         Its function is to protect the inner parts.

·         It is present in mouth and also line esophagus.