Answer:
b 
Explanation:
I believe that two infections that are common to the integumentary system are bacterial and fungal
 
        
             
        
        
        
Like an example?
if an example it can be
<span>Alzheimer's disease</span>
        
             
        
        
        
Answer: C. Melatonin.
Explanation: Melatonin is the hormone responsible for sleep and wake cycles. :)
 
        
             
        
        
        
The therapy is called Radiation Therapy. Its a treatment that kills abnormal cells or cancel cells by using radioactive ray such as gamma rays use it in killing the cancer cells in the body without harming any good cells that support the immune system of the body. This therapy also use any king of radioactive material in the treatment by placing it in the area that is near the cancer cells or a tumor.