By way of experiments utilizing mice and pigs with respiratory diseases, they identified that administering an oxygen-loaded liquid from the rectum served ease signs and symptoms, a outcome supporting their speculation that intestines can exchange oxygen. Produced somewhere all over 202 BC; these ended up “palace experiences or imperial bulletins” https://www.dailypioneer.com/2021/state-editions/jagannath-temple-inside-photos-go-viral-again.html