Fact 1: Plasma cells are activated B cells that secrete antibodies.

Fact 2: Antibodies are also called gammaglobulins.

Given the two facts above, answer the question "What is secreted by plasma cells (activated B cells) ?" with the following options: 
- bacteria
 - sunlight
 - bioaerosols
 - Organic compounds
 - acetic acid
 - gammaglobulins
 - Chemical energy
 - ice


 

      gammaglobulins   