Question

3. Describe how various vertebrates breathe.​

Answer 1

All vertebrate animals that live on land have lungs. When we breathe in, the muscle below the rib cage (called the diaphragm) is pulled down, and air gets sucked into the rib cage, filling the lungs. ... Frogs and toads have lungs, but when they are in water they can also breathe through their skin.

Answer 2

Answer:

All vertebrate animals that live on land have lungs. When we breathe in, the muscle below the rib cage (called the diaphragm) is pulled down, and air gets sucked into the rib cage, filling the lungs. ... Frogs and toads have lungs, but when they are in water they can also breathe through their skin