You are presented with the question "antibodies are produced by activated B cells that do what?" and the following answer choices: 
- Animal survival
 - killing insects
 - interact
 - secrete them
 - migrate
 - reproduce
 - competition
 - Allergies

Now knowing that plasma cells are activated B cells that secrete antibodies and antibodies are produced by plasma cells, choose the best answer.


 

    secrete them     