Answer:
respiration, waste production, food intake, cells, breathing
 
        
             
        
        
        
I'm not sure what you mean by this but here is a diagram of a nephron!! Hope this helps?
 
        
        
        
Answer:
smooth endoplasmic, metabolism, lipids
Explanation:
these are the answers hope this helps you out.
 
        
             
        
        
        
Answer:
Aerobics is a type of physical activity that combines rhythmic aerobic exercise with stretching and strength training exercises to improve overall fitness.
  
~OAmalOHopeO