Which animal has a heart with 4 chambers?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 3 chambers?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 2 chambers?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 2 atria?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 2 ventricles?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 1 ventricle?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 2 ventricles?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a heart with 1 atrium?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a circulatory system with 2 circuits?, Mammal, Bird, Amphibian, Reptile, Fish, Which animal has a circulatory system with 1 circuit, Mammal, Bird, Amphibian, Reptile, Fish

Comparing Circulatory Systems

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