it has a fat circulatory system cause hippos are fat
Hexaprotodon Liberiensis or Pygmy Hippopotamus
Hippos can be found in the wild on the continent of Africa. They may be found in swampy areas, lakes, rivers, and streams. There are two species of hippo, the Large Hippo and the Pygmy Hippo.
An open circulatory system.
A closed circulatory system
Closed Circulatory system
They have a closed circulatory system.
closed circulatory system
Closed circulatory system I believe.
They have a closed circulatory system.
closed circulatory system.
closed circulatory system.
earthworms have a closed circulatory system