they are not
They EXCHANGES GASES The Same Way As We Do. OXYGENEnters Their LUNGS And Exits Out As CARBON DIOXIDE.
The atmosphere exchanges gases by means of convection, radiation, and conduction. This is how energy is transferred between the Earth and the atmosphere.
capillaries
The lungs.
By diffusion through the skin.
A sea sponge protect itself by releasing toxic gases.
the respiratory system
respiratory
They change gases through their skin. They ubsorb the oxygen they need.
Gas exchanges occurs in the "alveoli".
it helps ur lungs breath better a exchanges gases
The respiratory system is responsible for the exchange of gases between the atmosphere and the blood.