Health status is the correct answer
        
             
        
        
        
Because the kidneys cant get rid of all toxins in the body.
        
             
        
        
        
Answer: The first one, to keep the blood flowing in only one direction
        
             
        
        
        
Answer:
1. Neck and Shoulder
2.arms and the back
3.A comfortable place to work
4.The study of people's efficiency in their working environment
5.A poor posture, Vibration, using too much force, frequent lifting