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Question
In amphibians, a three chambered heart causes the mixing of oxygenated and deoxygenated blood. Which of the following is the effect of this type of arrangement?
Options:
A .  Maintenance of a constant body temperature
B .  Efficiency in transporting oxygen
C .  Inefficiency in transporting oxygen
D .  Efficient energy generation
Answer: Option C
:
C
In amphibians since oxygenated and deoxygenated blood get mixed, it decreases their efficiency to carry oxygen as well as energy generation. This is also a contributing factor for them being cold-blooded and not being able to maintain a constant body temperature.

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