Complete the sentences with the words given.

1 We need a healthy ... system to fight off infections.

2 The  **\.\.\.**  went down after he put an icepack on the injury\.  

3 My mum gets terrible travel **\.\.\.** , so she rarely goes anywhere\.  

4 Jean gets **\.\.\.** eyes and a runny nose because of her hay fever\.  

5 We should take regular breaks from the computer screen to prevent eye  **\.\.\.**  \.  

6 Roland got a **\.\.\.**  strain playing tennis last week, now he can’t move his arm\.  

7 My uncle suffered hearing  **\.\.\.** because he worked with loud machinery\.  

8 I got an itchy  **\.\.\.**  on the side of my face after I borrowed my friend’s mobile phone\.  

9 She’s not getting enough sleep because she has  **\.\.\.**  \.  

10 The cut from that rusty nail gave me a skin  **\.\.\.**  \.  

11 He had a terrible **\.\.\.**  stomach after he ate curry last night\.  

12 Sending a lot of SMS messages can cause  **\.\.\.**  arthritis\.