The middle layer of skin, the dermis, contains blood vessels, nerves, and glands that are important for our skin's function.
        
                    
             
        
        
        
Answer:
Cardiac muscle (also called heart muscle or myocardium) is one of three types of vertebrate muscle tissue, with the other two being skeletal muscle and smooth muscle. It is involuntary, striated muscle that constitutes the main tissue of the wall of the heart.
 
        
             
        
        
        
But any ways dialogue is when two or more people n a book are having a conversation.
        
                    
             
        
        
        
The answer: 3, 2 ,1, 4.
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Start with: 3)  plaque; then, 2) enamel decay; then, 1) dentin decay;
 then, 4) pulp decay.
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