Submitted by akunis t3_120iqzc in todayilearned
wagnus_ t1_jdhnfip wrote
Reply to comment by -SaC in TIL Sharks don’t have bones. by akunis
their teeth aren't bones?!
-SaC t1_jdhnvu1 wrote
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.
RudegarWithFunnyHat t1_je1vj8m wrote
Teeth are never bones
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