They breathe air using their lungs.
you notice the blowhole on top of the head? This is where air
comes in and goes out.
whale can only breathe when its blowhole is above the surface.
Could you breathe under water?
(Fish, unlike mammals, use gills to take in air from the water.)
don't need to breathe as often as we do because they take in
a huge amount of air.
they exhale the warm, moist air, you see the spout shoot