Fact 1: Infection can cause bodily tissues to swell.

Fact 2: Inflammation causes the tissues that line the airways to swell and produce extra or thick mucus.

Given the two facts above, answer the question " _can cause inflammation" with the following options: 
- temperature
 - pathogens
 - steroids
 - arteries
 - dilation
 - Infection
 - disease
 - symptoms


 

      Infection   