Answer:
Elastic Fibre
Explanation:
Due to its ability to stretch and return to it's Normal size. It is one of the three main types 
 
        
             
        
        
        
Ok, think about it.  Does your skin prevent germs from getting inside you?
Does your skin prevent water from leaving the body too quickly?  Does your skin protect your insides from getting damaged when you fall?  Do you put food on your skin to absorb nutrients, or do you put food in your mouth like a normal person?
        
             
        
        
        
Answer: the two families of nucleic acids, rna and dna make the sequence of nucleotides in the dna or rna codes to make proteins in the cell
Explanation: