Health Crossword

From the Learn English Network

  
Click on a number in the grid to see the clue or clues for that number.
Complete the crossword, then click on "Check" to check your answer.
If you are stuck, you can click on "Hint" to get a free letter, but you will lose points.
You have 10 minutes to complete the crossword.
1            2   3           
4        5                
               6       
                    
   7                   
                    
            8          
 9         10              
                   11   
    12        13            
               14       
            15          
      16                
17                      
                    
            18          
                    
         19             
                    
     20                 

Across:

2. Struggle to overcome, eliminate, or prevent.
4. The invasion of an organism's body tissues.
6. 6 and 15 across - The undesirable effect of a drug or medical treatment.
7. A shot, or dose of medicine given by way of a syringe and a needle.
8. If your body responds badly to a substance, you have one of these.
9. A way to make you able to fight a disease.
15. 6 and 15 across - The undesirable effect of a drug or medical treatment.
17. Treatment to produce immunity against a disease.
18. The key element in the immune system.
19. A substance that enhances the body's immune response.
20. A bacterium, virus, or other microorganism that can cause disease.

Down:

1. These can attack humans, and computers.
3. 3 and 6 down - The organs and processes of the body that provide resistance to infection and toxins.
5. An illness that can be transmitted to people is called this.
6. 3 and 6 down - The organs and processes of the body that provide resistance to infection and toxins.
8. A toxin or other foreign substance which induces an immune response in the body.
9. The introduction (in a controlled way) of a live organism so as to build resistance to a disease.
10. 10 and 14 down - What happens when the immune system starts fighting substances that are usually harmless.
11. The ability of an organism to resist a particular infection or toxin.
12. To get rid of something completely (past tense).
13. You are this after you have been successfully treated (past tense).
14. 10 and 14 down - What happens when the immune system starts fighting substances that are usually harmless.
16. They are everywhere, and can be friendly, or unfriendly.