You are presented with the question "How do frogs absorb oxygen?" and the following answer choices: 
- They drink water
 - flow of electrons
 - Jumping really high
 - during the day
 - By breathing through their nose
 - matter vibrating
 - Through their skin
 - circulatory systems

Now knowing that skin is used for breathing air by frogs and frogs breathe and absorb water through their skin, which is periodically shed, choose the best answer.


 

       Through their skin  