This is from 2016. But it turns out we discover fairly major new things about the body fairly frequently. 2018 - did scientist really no know what 20% of the

This is from 2016. But it turns out we discover fairly major new things about the body fairly frequently. 2018 - did scientist really no know what 20% of the fluids in the body are?: "The ground-breaking discovery of the new organ meant that old mysteries could be solved. For instance, scientists always knew that 20 per cent of body fluids were missing in a total tally, in between blood, lymph, serum and other bodily fluids" https://www.abc.net.au/news/2018-03-28/scientists-discover-new-human-organ-interstitium/9598140 https://www.abc.net.au/news/2018-03-28/scientists-discover-n... 2020 - extra saliva glands inside our head no one knew about: https://www.sciencemag.org/news/2020/10/you-may-have-new-organ-lurking-middle-your-head https://www.sciencemag.org/news/2020/10/you-may-have-new-org...