معلومات مقرر دراسي

Tissues                                                            

   A tissue is composed of similarly specialized cells that perform a common function in the body. The tissues of the human body can be categorized into four major types:                        

1-epithelial   tissue, which covers body surfaces and lines body cavities.                                      

2- connective  tissue, which binds and supports body parts.                                                           

 3- muscular tissue, which moves body parts.

4- nervous tissue, which receives stimuli and conducts impulses from one body part to another.