52 including the lungs.
Amphibians have a three chambered heart.
Amphibians have three chambers in the heart: Two atria and one ventricle
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
the amphibians have a three chambered heart whilst the fish have a two chambered heart.
Yes, an amphibian does have a heart.
Amphibians do not really groom themselves.
10 parts
Crocodiles are reptiles not amphibians.
Amphibians.
Depends on the species. Three for amphibians and some reptiles, four for mammals and birds. The heart has 4 chambers.
No.
bigger than a human