Epiglottis
The epiglottis is a flap of cartilage the covers the entrance to the throat protecting the lungs from obstruction.  It moves when we swallow to allow food in.  
        
             
        
        
        
<span>Hippocrates believed that there are four humors in human body which need balance for a healthy being. These were:
Blood, phlegm, yellow bile, and black bile.</span>
Galen expanded the idea of the humors and introduced four temperaments which were these:
choleric (hot / dry), melancholic (cold / dry), sanguine (warm / moist), and phlegmatic (cold / moist).
Another expansion Galen did was that he gave each humor/temperament physical and psychological qualities and said that even the food items have an association with the certain humor, those foods can effect certain humor in certain ways.
        
             
        
        
        
Answer:
I think it is ddddddddddd
 
        
                    
             
        
        
        
The Answer is B, as they attach to the endoplasmic reticulum so that the protein process can occur 
 
        
                    
             
        
        
        
It takes 27 days for the moon to orbit the earth