Answer:
white blood sells
Explanation:
they in ur blood and helps fights off diseases and heal cuts
 
        
             
        
        
        
Answer:
A frogs heart has 3 chambers. Two atria and a single ventricle. 
 
        
             
        
        
        
Answer:
A
Explanation:
The kingdom is the least specific classification of living things, so it therefore encompasses the largest variety of organisms
 
        
             
        
        
        
Answer:
A it investigates the super natural.