The purpose is basically the same as a humans
Example of closed Circulatory animals is worms
grasshoppers, have an open circulatory system
main organs of the circulatory system are the heart and veins. their purpose is to circulate blood in the body.
It helps plants and animals live. It also is apart of the circulatory system.
A circulatory system that involves the lungs is referred to as a double circulatory system. This is opposed to a single loop circulation that fishes have.
The circulatory system.
The common purpose of the respiratory and circulatory systems are bringing oxygen into the body for cellular processes, and bringing carbon dioxide waste out of the body. The circulatory system has many other functions as well.
yes, it has a open circulatory system, which is not contained within veins.
diffusion
Diffusion.
prawns
By simple diffusion