The answer to this should be nutrition and health. The reason is if you have great nutrition and health your hair will growvand be healthy
Hope this helped :)
Have a great day
        
             
        
        
        
I think it's in Antarctica. The frozen water :/ 
        
                    
             
        
        
        
So understanding<span> how the </span><span>DNA </span>molecule behaves inside cells<span> helps explain how genetics works</span><span> at the simplest level. </span>
        
             
        
        
        
Touching a hot pan and yanking your hand away--That is nervous system.
Going through puberty is controlled by the pituitary gland.
jumping up and down is controlled by the muscular system.
Breathing harder during a jog is controlled by the respiratory system.
Getting energy to sit through class by eating cereal and a banana is controlled by digestive system and muscular system.
hope it helps