Heart in amphibians is

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(B) The heart structure varies across vertebrate classes:$1$. Two-chambered heart with one auricle and one ventricle is present in $Pisces$ (fishes).$

Vedclass · Accepted Answer

Three-chambered with two auricles and one ventricle

Vedclass · Answer

(B) The heart structure varies across vertebrate classes:$1$. Two-chambered heart with one auricle and one ventricle is present in $Pisces$ (fishes).$2$. Three-chambered heart,having two auricles and one ventricle,is present in $Amphibia$ and most $Reptilia$ (except crocodiles).$3$. Four-chambered heart with two auricles and two ventricles is present in crocodiles,$Aves$ (birds),and $Mammalia$ (mammals).Therefore,amphibians possess a three-chambered heart.

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