Whale Coloring Pages is a coloring page which tells the story of the whale. However, based on wikipedia.com, The blue whale is the largest creature ever to have lived on Earth; it is larger than any of the dinosaurs. Some of your students may know about whale while others don’t. The heart of a blue whale is about the size of a VW Beetle car and weighs up to 450kg. The aorta, a major blood vessel for the heart, is big enough for a human child to crawl through.