Epithelial tissue .. absorption of water and digested food as in the lining of the gastrointestinal tract. Mucus secretion to keep the cavities lining it moist and smooth

For epithelial tissue
Composition:
Mona consists of a large number of closely linked cells that are linked by a small cell substance.
Types:
Divided in form and structure into:
- Simple epithelial tissue (Harshafi, Makbi, Amadi).
- Tissue composite tissue
Function:
- Absorbing water and digested food as in the lining of the gastrointestinal tract.
- Protecting the cells covered by damage, dehydration and microbes as well as in the skin complexion.
- mucus secretion to keep the cavities lining it moist as smooth as the gut and trachea.