Frog Chytrid fungus | 台北市立動物園資訊網

2020年10月14日—Chytridiomycosisisaninfectiousdiseasethataffectsamphibiansworldwide.Thediseaseiscausedbyafungusknownastheamphibianchytrid ...

Keratin is a type of protein. Its in your hair, and in your skin. Other animals have it in their feathers, fur and scales.

Keratin forms a tough, impervious, waterproof layer that protects animals, stopping unwanted substances in the outside world from getting into their bodies. It also builds up in areas of the body that get exposed to lots of wear and tear. Have you ever had a callous on your hands or feet? Thats keratin.

As keratin builds up in cells, the cells die and eventually peel away. People shed cells gradually, losing small amounts of skin and hair all the time. Snakes and other reptiles do it more quickly, shedding their skins - and their keratin - in one go.

A frog needs its skin to be thin, moist and pervious to things from the outside because it breathes through its skin. Frogs have simple lungs, which do not give them all the oxygen they need. They have to absorb oxygen from the air or water through their skin. ...