The blue whale is a largest animal ever to have lived on Earth. It is larger than any of the dinosaurs. The biggest recorded blue whale was a female in the Antarctic Ocean that was 30.5 m long with an estimated weight of 144 tonnes. The tongue alone of a blue whale can weigh as much as an elephant and an entire football team could on it!
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.
Whale Teeth
The whale number of teeth a toothed whale has can very greatly depending on the species. Aside from whales all species of dolphin and porpoise also belong to toothed whale suborder and also possess teeth.
While all teethed whales are born with teeth not all species are known to chew their food. Some wholes only one or two teeth while others species have as many as 240 teeth or more.
And other species of toothed whale may only have rows of teeth on their lower jaw and none on their upper jaw.
