Submitted by akunis t3_120iqzc in todayilearned
-SaC t1_jdhnvu1 wrote
Reply to comment by wagnus_ in TIL Sharks don’t have bones. by akunis
Closest things to it that they have, albeit an ectodermal organ. Teeth aren't bones as (for simplicity) they can't heal themselves, unlike our skelingtons.
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