Answer:
periosteum ----> dense irregular connective tissue
Explanation:
- The periosteum is a dense fibrous membrane that covers the surfaces of bones. 
The periosteum consists of two layers-
     1. Outer fibrous layer 
     2. Inner cellular layer
- It is mainly composed of dense irregular connective tissue along with a layer of simple squamous epithelium.
- The function of periosteum is to cover the surface of all the bones except those surfaces that are covered with cartilage such as joints and tendons and ligaments. 
 
        
             
        
        
        
In English please so I can help you with your problem
        
             
        
        
        
C. Viral Hemorrhagic Fever is a form of marburg virus
        
             
        
        
        
[Ar] 4s1 is the correct answer 
 
        
             
        
        
        
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