Blue whale heart weighs 600kg (1300 lbs). A person could crawl through the arteries. pic.twitter.com/pbAsYnRr9M — Cliff Pickover (@pickover) May 28, 2016
Blue whale heart weighs 600kg (1300 lbs). A person could crawl through the arteries. pic.twitter.com/pbAsYnRr9M
— Cliff Pickover (@pickover) May 28, 2016