Blue Whale heart is as big as a room. All the animals there are in the world.

 The heaviest and largest among then is the blue whale. You will be surprised if you know about the length , breadth, and weight of his heart. 

 It's weight is around 190 kg. 

 If 04-05 humans stand together, the measurement they get when added together will be equal to the heart of a blue whale. 

 The weight of human heart is 283 grams. 

 His heart is the biggest heart in the world. It is 14 feet long, 06 feet wide and 05 feet high which is equal to a small room.

The African elephant is currently considered to be the largest animal, it's heart weighs 13.6 kg.

Surprisingly, the brain of the blue whale is small and weighs only 06 kg.