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The heart of an amphibian is usually(a) two-chambered(b) three-chambered(c) four-chambered(d) three and half-chambered |
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Answer» Answer is : (b) three-chambered Vertebrate hearts can be categorised by the number of chambers they have, like two-chambered (one atrium and one ventricle) in fishes, three-chambered (two atria and one ventricle) in amphibians and reptiles; and four-chambered (two atria and two ventricles) in birds and mammals. |
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