URL: https://www.thoughtco.com/thmb/_h02_1jEPPGxf1YSRt1RSMa_tDo=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/breathing_diagram-5c37af15c9e77c00013abdbd.jpg
URL2: https://www.greelane.com/ja/科学技術数学/科学/respiration-definition-and-types-4132422/
