Fish have a circulatory system with a two-chambered heart, and each side of the heart is divided up into two chambers. Given these facts, ish have a circulatory system with what among the following options:
- our nearest star
 - divided heart
 - solid, liquid, gas
 - Veins and arteries.
 - kinetic energy
 - flow of electrons
 - reducing acid rain
 - matter vibrating


 

  divided heart       