Fact 1: Fish have a circulatory system with a two-chambered heart.

Fact 2: Fish include bass and salmon.

Given the two facts above, answer the question "What has a circulatory system with a two-chambered heart?" with the following options: 
- sharks
 - insects
 - salmon
 - animals
 - barnacles
 - mammals
 - tortoises
 - alpacas


 

   salmon      