The heart of a blue whale, which can weigh in excess of 1,300 lbs (590 kg), is the size of a small car. The gigantic heart beats 8 to 10 times per min

The heart of a blue whale, which can weigh in excess of 1,300 lbs (590 kg), is the size of a small car. The gigantic heart beats 8 to 10 times per min