By means of experiments applying mice and pigs with respiratory ailments, they discovered that administering an oxygen-abundant liquid inside the rectum aided ease signs or symptoms, a result supporting their hypothesis that intestines can exchange oxygen. Group chief Takanori Takebe, a professor at Tokyo Clinical and Dental University, reported in https://www.dailypioneer.com/2022/top-stories/veteran-telugu-actor-krishna-admitted-to-hospital--condition-critical.html