Yes, frogs are vertebrates and have a spine, or backbone. The skeleton of a frog is very similar to other vertebrates, such as humans, although some parts have changed to better fit the frog's lifestyle. More »

Amphibians are cold-blooded vertebrates. They have a backbone, and they maintain their body temperature through external means, such as laying in the sun. Amphibians spend part of their lives on water and part of their l... More »

Primary and secondary consumers create the backbone of food chains: primary consumers, such as small bugs and insects, feed on plant matter and organic material while secondary consumers eat other animals. In addition to... More »

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All vertebrates, including frogs, are animals with backbones. Frogs have many biological features in common with other members of the subphylum Vertebrata, a taxonomic grouping that also includes fish, birds and human be... More »

In frogs and all vertebrates, the function of the pancreas is to produce endocrine hormones and digestive enzymes. The pancreas produces insulin, somatostatin and pancreatic polypeptides for the endocrine system, as well... More »

A frog's skeleton is divided into four major sections: the skull, the spine, the forelegs and the legs. While a frog's arms and legs are similar to those of a human, its skull and spine are markedly different. More »

Pithed frogs have undergone the pithing procedure, which involves a needle inserted through the foramen magnum into the cranial cavity. Pithing mechanically causes disruptions within the frog's brain, and it is an approv... More »