The Immune system and Endocrine system work
together to remove these wastes from their cells.
        
                    
             
        
        
        
Definitely D. Because we just learned about this in science
        
                    
             
        
        
        
Answer:
B. involuntary activities
 
        
             
        
        
        
Explanation:
The tick carries harmful bacteria that was released into Charlie's blood. 
So, I can conclude that:
tick> indirect, bacteria direct
Hope this helped! Let me know if this is incorrect. 
 
        
             
        
        
        
Answer:
D3O® was invented in 1999 by British engineer Richard Palmer. An avid snowboarder, he was looking for a way to protect himself from the many bumps and bruises he suffered from frequent wipeouts on his board. He found his answer in D3O,® which was named after the lab in which it was discovered.
Explanation: