I don't know if this will help you or not but here you go.
https://quizlet.com/225903868/lesson-11-the-nature-of-life-unit-test-biology-a-unit-1-the-nature-of-life-flash-cards/
        
             
        
        
        
 
 
Answer:-DNA.But I am not sure
 
        
             
        
        
        
The bladder is the muscular organ that holds urine 
        
             
        
        
        
The development of the human embryo follows fertilization, and continues as fetal development. By the end of the tenth week of gestational age the embryo has acquired its basic form and is referred to as a fetus. The next period is that of fetal development where many organs become fully developed.