Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Unlike mammals who absorb oxygen through the alveolar in their lungs, frogs are able to use their skin as a surface for gas exchange. The capillaries carry oxygen poor blood underneath the skin so that the oxygen in the air or water will be transported into the blood.
0 0 0
plz mark as the best
hope this helped u

Frogs use their lungs while on ground and gills when in water! SIMPLE!
0 0 0
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts