Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood.

Fact 2: Interestingly, a squid is also a mollusk.

Given the two facts above, answer the question "What has a circulatory system with one or two hearts that pump blood?" with the following options: 
- squids
 - fur seals
 - the Sun
 - goats
 - the ocean
 - rocks
 - sharks
 - a fish


 

 squids        