Flu vaccination can help you from getting sick with flu. Vaccine reduces the risk of infection by working with body’s natural defenses to help them safely develop immunity to diseases. If you get sick, flu vaccine will make your illness milder.
        
             
        
        
        
thymus plays important role by development of a normal, healthy immune system. thymus function is to generate mature lymphocytes
In other words, white blood cells that help fight of illness in the immune system.
sorry if I am wrong.
 
        
             
        
        
        
Answer:
 Fish not only live in water, but they get oxygen from water. They breathe by taking water into their mouths and forcing it out through gill passages
Explanation:
 
        
             
        
        
        
Answer:
The answer for this question D
Explanation: