Which among the following have a mixed heart that is the heart in which the oxygenated and the deoxygenated blood is mixed?

Question:
Which among the following have a  mixed heart   that is the heart in which the oxygenated and the deoxygenated blood is mixed? 

1.Birds

2.Fishes

3.Reptiles

4.Nematodes

Posted Date:-2021-11-10 10:57:27


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