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There are many differences between cow's and human's circulatory systems. The cow system has to work around 4 stomachs for example.
Cockroaches do have circulatory systems, they are are open circulatory systems
A cavity or series of spaces between the organs of organisms with open circulatory systems.
The respiratory and circulatory systems are involved in the exchange of gases between the alveoli and blood. The alveoli are part of the lungs, and their surrounding capillaries are part of the circulatory system.
both involve h2o and co2 and o2 and c6h12o6
The circulatory system affects the other body systems because the circulatory system gives oxygen to the other system. Without the circulatory system the other systems would not work.
The respiratory and circulatory systems work together as a unit to exchange gases between body cells and the environment
systems
open circulatory systems
All creatures have circulatory systems
Circulatory systems operates blood circulation
Closed circulatory systems have blood that does not flow in defined blood vessels. Examples are insects and how their organs are bathed continually in "blood". Open circulatory systems have blood that flows in vessels. Humans have this system as blood flows in veins, arteries and capillaries.