Respiratory system of animals — task. Biology CBSE Live product, Class 7 (2025-26).

Unscramble:

1. I breathe using air sacs, but not like fish in water; instead, I soar above the trees and skies. What am I?

2. My respiratory surface is full of blood vessels, allowing oxygen dissolved in my watery home to enter and leave easily. What am I?

Did you find an error?

3. Respiratory system of animals