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Amongst molluscs, closed type of circulatory system is found in
- Pila
- Sepia
- Unio
- None of these
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#Answer Is option (B) Sepia.
#Class sepia includes squid, octopus, cuttlefish. These organisms belong to molluscs but they have closed circulatory system. Except, Sepia all other molluscs show an open circulatory system.
#Deoxygenated blood travel from body to heart, from the heart to lungs, at lungs blood becomes oxygenated and it returns back to the heart and at last oxygenated blood enters into capillaries and spread all over the body.
#Class sepia includes squid, octopus, cuttlefish. These organisms belong to molluscs but they have closed circulatory system. Except, Sepia all other molluscs show an open circulatory system.
#Deoxygenated blood travel from body to heart, from the heart to lungs, at lungs blood becomes oxygenated and it returns back to the heart and at last oxygenated blood enters into capillaries and spread all over the body.
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