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Question
Amphibians have
Amphibians have
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Solution
The correct option is B Incomplete double circulation
In amphibians, 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 types of blood get mixed up in the single ventricle which pumps out the mixed blood. In incomplete double circulation, the blood comes to the heart through two different routes but goes out through a single route.Therefore, the correct answer is option A.
In amphibians, 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 types of blood get mixed up in the single ventricle which pumps out the mixed blood. In incomplete double circulation, the blood comes to the heart through two different routes but goes out through a single route.
Therefore, the correct answer is option A.
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