the nucleus is considered the "workers"
 
        
             
        
        
        
It is located At the umbilicus
At 20 weeks' gestation, the fundus can be palpated at the
umbilicus. A fundus of 12 weeks' gestation is palpated at the symphysis pubis.
At 16 weeks' gestation, the fundus is midway between the symphysis pubis and
umbilicus. At 36 weeks' gestation, the fundus can be palpated just below the
ensiform cartilage.
 
        
                    
             
        
        
        
The answer is D. a push the acts over a certain area.
        
             
        
        
        
They relate because they both have to do with the behavioral patterns of the cycle of life. essentially they both are related to way things transform into one another