Multiple choice

Though frogs have a pair of lungs like human beings, they can also breathe through their

  1. nostrils

  2. skin

  3. trachea

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Though frogs have a pair of lungs like human beings, they can also breathe through their skin, which is moist and slippery.