You are presented with the question "What can cause connective issues to swell?" and the following answer choices: 
- infection
 - flooding
 - smoking
 - worms
 - water
 - bacteria
 - zygotes
 - air

Now knowing that infection can cause bodily tissues to swell and connective tissue is the common network for bodily systems and energy pathways, choose the best answer.


 

 infection        