Amphibian

These unique salamanders possess an unparalleled ability to regenerate complex body parts, including limbs, spinal cords, and even portions of their brains and hearts. This makes them a focus for regenerative medicine research, offering insights into healing and repair.

These amphibians can survive being frozen for weeks, with their heart and breathing stopping entirely. They produce a natural antifreeze (glucose) that protects their cells from ice crystal damage, allowing them to reanimate once temperatures rise.

The underside of these amphibians is so translucent that their heart, liver, and gastrointestinal tract are visible through their skin. Scientists believe this unique camouflage helps them blend with their leafy habitats, making them harder to spot.

These amphibians possess an extraordinary ability to regrow lost limbs, jaws, spinal cords, and even parts of their brains without scarring. This makes them a significant subject of regenerative medicine research due to their unique healing process.

Certain frog species, like the wood frog, can survive having up to 65% of their body water freeze into ice. They produce a natural antifreeze (glucose) that protects their cells, allowing them to thaw out and hop away when spring arrives.