Question : Give information about open and closed type of circulatory

1.	Question : Give information about open and closed type of circulatory pathways.
Answer» Solution :There are two types or patterns of circulatory PATHWAYS : (i) Open circulatory system, (ii) Closed circulatory systrem. (i) Open circulatory system : In this type of circulatory system blood is transported by partial blood vessels and partial blood SPACES. In this circulation heart pushes the blood into blood vessels and from there blood flows cavities called sinuses. This blood comes back to hert. There are no blood capillaries in it. This type of circulatory system is present in ARTHROPODS and Molluscs. (ii) Closed circulatorysystem : THECIRCULATION of blood flows by pushing through heart into variousblood vessels. Boodvessels from a complexnetworkin the body . Valves are located in onedirection pathway of blood .

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