Muscles and internal organs
        
                    
             
        
        
        
Density can be useful in identifying substances. It is also a convenient property because it provides a link (or conversion factor) between the mass and the volume of a substance. Mass and volume are extensive (or extrinsic) properties of matter - they depend on amount.
        
             
        
        
        
Answer:
Arteries connect to capillaries and veins don't connect to capillaries
Explanation:
Actually both are connected by capillaries
 
        
             
        
        
        
Answer:
A
Explanation:
I hope this helps. Sorry if i'm wrong.