Multiple choice

What is the respiratory organ of fishes called?

  1. Spiracles

  2. Gills

  3. Lungs

  4. Skin

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

The gaseous exchange in fishes takes through gills. Gills also known as branchiae, are small portions of richly vascularised tissues, internal or external to the body and in direct contact with the surrounding water.