That a Blue Whale's tongue alone weighs around 2.7 tonnes?
That a Blue Whale's heart typically weighs around 600kg?
That the largest and heaviest brain belongs to the Sperm Whale, weighing around 9Kg?
That the barnacle is a creature with the largest penis as proportionate to its overall body size?
That the Argentine Blue-bill duck has the longest penis in relation to its body size?
That the longest bone in the human body is the femur bone?
That the largest and heaviest internal organ in the human body is the liver?
That the largest external organ, which is also the largest organ in general of a human is the skin.
Now you know.
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