The human body contains trillions of cells. each organ belongs to one of 10 human body systems, these body systems are interconnected and dependent upon one another to function your heart does not beat unless your brain and nervous system tell it to do so your skeletal system relies on the nutrients it gains from your digestive system to build strong and healthy bones
        
             
        
        
        
Answer:
Fraudulent products are not scientifically proven to be safe and effective so when using it, it can be potentially dangerous and hazardous.  If you wish to avoid such scams, read the labels carefully and search it up online first. If you can't find any information about that it's going to be a bit suspicious but to clarify this, you can go to your doctor or contact your doctor about this. You doctor can help out as well as a pharmacist from your local (store name). Doing this, you can protect yourself and people around you from being scammed and also protect their health. 
Explanation:
(You can change up the format a bit and add some other stuff from what you've learned. )
 
        
             
        
        
        
Fine motor skills! Is the answer to this
        
                    
             
        
        
        
The last option is negative