Answer:
if ur asking which one of those answer choices is the right one, it's D! Deliver oxygen to every blood cell <3 
Explanation:
This involves transport of oxygen from the lung to the tissues by means of the circulation of blood.
 
        
                    
             
        
        
        
Answer:
Respuesta. Un auto que se mueve en una trayectoria circular puede tener rapidez constante, pero no velocidad constante, ya que la dirección del movimiento cambia a cada instante
 
        
             
        
        
        
Answer:
they can cause a lot of harm in human body
Explanation:
based on research, a virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism.
Bacteria are a type of biological cell. They constitute a large domain of prokaryotic microorganisms.
and lots more all can do a lot of damage to the human body they can even take someone's life.
 
        
                    
             
        
        
        
Answer:
vha sa unhone nikal dia(≧▽≦)(≧▽≦)(≧▽≦)
 
        
                    
             
        
        
        
Answer:
The type of energy your looking for is geothermal energy.
Explanation:
Geothermal energy is energy that comes from deep within the earth, From such things as magma or heat. In California at the Geysers there is a Dry Steam Power Station which uses geothermal energy in order to make energy. The way that works is Steam rises to a turbine which spins a generator that produces energy.