interesting

r56r51yfdco (25)in #steemit • 8 years ago

The heart of blue whales is so big that a human can swim freely in arteries.

#steem #life #photography #cryptocurrency

8 years ago in #steemit by r56r51yfdco (25)

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coblingz (25) 8 years ago

wow! I have never seen the heart of a blue whale...so HUGE

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