Answer: the answer is they promote the health risks of smoking. 
Explanation:
 
        
             
        
        
        
Answer:when you cough blood leaves your heart.
Explanation: I saw a video and when some one coughed blood came out of the heart.
 
        
             
        
        
        
A MUSCLES The movements your muscles make are coordinated and controlled by the brain and nervous system.
        
             
        
        
        
Cardiovascular so you can pump oxygenated blood through the heart