Closed Circulatory System

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In nature there are two different types of circulatory systems that can be seen amongst different taxonomic groups. These two types are open and closed circulatory systems, and help animals to be able to survive within the environment. Each taxonomic group has a specific circulatory system so that it is best adapted for its environment.

A open circulatory systems is a system where the blood of the organism and interstitial fluid mix in the organisms body (https://moodle.wnc.ac.uk/mod/resource/view.php?id=94728). An example of and open circulatory system could be a locust, which is an example of an arthropod, and molluscs. In these organisms the blood and interstitial fluid are allowed to flow freely within the organisms body and where nutrients …show more content…

An example of a closed circulatory system could be earthworms and fish. In these organisms there are oxygen carrying pigments which is called haemoglobin and haemocyanin which is found within the vessels and around the body cavity. The heart creates a high blood pressure which is the system that moves the blood around the body through the veins and arteries. In a closed circulatory system you can have a simple or complex circulatory systems which include single circulation or a double circulation with in the body. The examples could be gill systems, tracheal systems, and lungs. Closed circulatory systems include a real heart as the bodies of these organisms are big each to carry a real heart and that they are big enough to include the complex circulatory systems ((https://moodle.wnc.ac.uk/mod/resource/view.php?id=94728). Some advantages of closed circulatory systems are that there is an increased efficiency, where there is an even distribution of oxygen in the organisms body and that an organism with a closed circulatory system has a much faster metabolism, which produces nutrients for the cells at a higher rate. The blood is under a higher pressure and diffuses at a higher rate than an open circulatory system does. There is also more control of the blood flow within the organism which allows for a greater mobility rate and allows for a much greater resistance to environmental changes (Open Circulatory and Closed Circulatory Systems Explained,

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