DrLindseyFitzharris, en 
This is a 440-pound heart from a blue whale, the largest known animal to ever exist. The heart was so large that technicians had to douse it in 1,000 gallons of formaldehyde. Read more about it here: https://www.smithsonianmag.com/travel/painstaking-process-preserving-blue-whales-heart-180964038/
#histodons #histodon #histmed #biology #animal #animals #bluewhale #museum #DYK