1 answer:
            
              
              
                
                
Answer:
1.true
2.false
Explanation:
the only time blood coagulates is when an incompatible blood group comes in contact with it due to the effect of antibodies
 
                                
             
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It is system because bone nucleus and all the rest you put down are all a system structure in the body 
        
             
        
        
        
The answer is B seminal vesicles
        
                    
             
        
        
        
        
B, probably because they animals would probably die, making it harder to find if every albino animal kept dying.
        
             
        
        
        
Answer:
there are 4 major classes of biological macromolecules