Curious Questions and Answers About... Our Oceans

Curious Questions and Answers About... Our Oceans — page 3
What is a fish Tail fin swishes from side to side when swimming Fish are animals that have skeletons gills and fins There are more than 32,000 types and most of them live in oceans Overlapping scales are smooth and slippery Herring I'm the perfect shape for swimming My silvery scales help water to flow easily over my skin Slim sleek body moves quickly through water can people breathe underwater too No sorry You need to breathe air because you have lungs All fish have special organs called gills that work in water Water and air have oxygen gas in them All animals need oxygen to live Oxygen rich water flows in Triggerfish Water flows out over the gills where the oxygen passes into the fish's blood 6