Closed Circulatory system
yes
Your an idjit
Unknown
The first animal phylum to have a circulatory system was the Annelida phylum, specifically the earthworm. Annelids have a closed circulatory system composed of blood vessels that transport nutrients and oxygen throughout the body.
circulatory system
It means circulatory system
Most likely. I dont know for a fact, but most living things have a circulatory system. Id be suprised if thay dont. The circulatory system is needed in most living things.
An animal that uses lungs for breathing has a pulmonary circulatory system. Mammals are the most common type of animal that breathes through lungs.
A bloodstream is the flow of blood through the circulatory system of an animal.
The process that would likely occur in an open circulatory system would be that food would travel from one end to the other without much absorption. With an open circulatory system, fluid is used to take in food and excrete waste.
closed circulatory system (double circulatory system)