How many of the following statements are wrong?
(A) In amphibia and reptiles incomplete double circulation present.
(B) in arthropods and molluscs open circulatory system present.
(in joint diastole stage semilunar valves are closed.
(D) The hepatic portal vein camies blood from intestine to the kidney.
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Incomplete Double Circulation: In amphibians and reptiles, incomplete double circulation is present. Oxygenated blood is received by the left atrium and deoxygenated blood is received by the right atrium. But, both the bloods get mixed up in the single ventricle which pumps out the mixed blood.
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