History Cool Kids | The heart of a blue whale, which can weigh in excess of 1,300 lbs and is the size of a small car. The gigantic heart beats 8 to 10 times per minute and...
The heart of a blue whale, which can weigh in excess of 1,300 lbs and is the size of a small car.
The gigantic heart beats 8 to 10 times per minute and...
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