You are presented with the question "If a person does what it may be due to a pathogen?" and the following answer choices: 
- is born
 - apoptosis
 - contracting
 - smoking
 - falls ill
 - symptoms
 - feels well
 - is happy

Now knowing that bacteria can cause people to become ill and bacteria that cause disease are called pathogens, choose the best answer.


 

     falls ill    