DescriptionRespiratory system complete cy.svg Cymraeg: system anadlu (neu resbiradaeth) sy'n canitau i aer fynd a dod i'r ysgafaint ac yna allan o'r ysgyfaint...
more complete version of this graph diagram can be found at https://commons.wikimedia.org/wiki/File:Biomedical_ Knowledge_Graph_in_Wikidata.svg. The online...
