Answer:
The Heart is situated in the Left side of the body
 
        
                    
             
        
        
        
<span>Enzymes work by reducing the energy of activation increasing the potential energy difference between reactant and product decreasing the potential energy difference between reactant and product adding energy to a reaction reducing EA adding a phosphate group to a reactant</span>
aka B 
        
                    
             
        
        
        
Answer:
2.  muscular system and cardiovascular system
 
        
             
        
        
        
Ftsz, mreb, and cres ,proteins regulate the shape and structure of bacterial prokaryotic cells. These proteins are homologous to the Cytoskeleton in eukaryotes. Homologous meaning they have the same evolutionary origin but not necessarily having the same function. Cytoskeleton forms a framework for the movement of organelles around the cytoplasm, most organelles are attached to the cytoskeleton.