Yes, mammals have a 4chambered heart, while reptiles only have a 3chambered heart.
Amphibians have a three chambered heart.
the amphibians have a three chambered heart whilst the fish have a two chambered heart.
Yes, an amphibian does have a heart.
the heart is two chambered.
Crocodiles are reptiles not amphibians.
Amphibians.
shark/pisces
No.
bigger than a human
the amphibians have three chambered heart while reptiles have also three chambered heart but only crocodile contain four chambered heart. the blood mix up with each other of two sorts
Reptiles and amphibians ;3