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Concept

Problem: Amphibian blood circulation is double-loop circulation. Describe how this form of blood circulation works.

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Amphibian blood circulation is a double-loop circulation wherein blood flow is directed in two circuits. 

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Problem Details

Amphibian blood circulation is double-loop circulation. Describe how this form of blood circulation works.

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All Biology Practice Problems Chordates Practice Problems
Q.What is the purpose of a nictitating membrane in amphibians?
Q.Give two characteristics that separate Chordates from other animals. 
Q.Which of the following do not have skin that is impermeable to water?a. mammalsb. birdsc. amphibiansd. reptilese. All of the above have skin impermeab...
Q.Before amphibians could be successful on land, they had to:a. develop a more efficient heartb. develop a way to prevent drying outc. develop lungsd. b...
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