Answer:
We need more information to answer.
Explanation:
 
        
                    
             
        
        
        
Answer:
lithosphere 
Explanation:
 is found under the oceans and formed at spreading centres on oceanic ridges, which occur at divergent plate boundaries.
 
        
                    
             
        
        
        
Answer:
Cilia
Explanation:
The element which is responsible for this is the Cilia. The form found in a human's respiratory system are known as Motile Cilia and basically act as brooms on the respiratory epithelium lining the respiratory tract. Huge waves of Motile Cilia communicate with one another in order to be able to effectively clean up all dirt and mucus from the lungs in a very organized and unified manner. This helps maintain our respiratory system running as effectively as possible.