Fact 1: Skin is used for breathing air by frogs.

Fact 2: Frogs breathe and absorb water through their skin, which is periodically shed.

Given the two facts above, answer the question "How do frogs absorb oxygen?" with the following options: 
- They drink water
 - flow of electrons
 - Jumping really high
 - during the day
 - By breathing through their nose
 - matter vibrating
 - Through their skin
 - circulatory systems


 

       Through their skin  