Which pair of the animal groups, has oxygenated and de-oxygenated bloo – McqOptions

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1.	Which pair of the animal groups, has oxygenated and de-oxygenated blood in the heart separately
A.	Amphibians and reptiles
B.	Birds and Mammals
C.	Reptiles and Birds
D.	Reptiles and Mammals
Answer» C. Reptiles and Birds

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