ANIMAL RESPIRATORY SYSTEM

1.  Breathe through Lungs

Manatee

Manatee

Dolphin

Seal

Sea lion

Whale

Rabbit

Reptilian that breath with lungs: Snake, tortoise and lizard

The class Aves  includes all the birds.

Dogs, Cats , bears, human  are members of the vertebrate class 

Mammalian Mother and her baby

2.  BREATHING through skin

Salamander

Earth Worm

Toad

Frog

A nudibranch, a marine mollusk that breathes through its skin and primitive gills

Red-backed, they breath through their skin (having no lungs), amphibians use their skin as a respiratory organ. Cutaneous respiration is a form of respiration in which gas exchange occurs across the skin 

                                  3.  BREATHING THROUGH gills

Starfish

Clams

Frawn

Jelly Fish

Sea Worm

All kind of fish

            4.  BREATHING THROUGH breathing tube  or  air tubes

Grasshopper

Ant

Praying Mantis

Butterfly

Bee

Ant, Insects take in Oxygen and expel Carbon Dioxide using a series of internal air tubes, the tracheae.