The O2 Arena, commonly known as the O2, is a multi-purpose indoor arena in the centre of The O2 entertainment district on the Greenwich Peninsula in southeast London. It opened in its present form in 2007. It has the second-highest seating capacity of any indoor venue in the United Kingdom, behind the Manchester Arena, and in 2008 was the world's busiest music arena. As of 2022, it is the ninth-largest building in the world by volume. #reels #viral #o2arena #london #londonreels #londonlife #lond

73K views · 5.9K reactions | Inside The O2 Arena London | Global Adventures | Facebook

If your O2 saturation level is 94 or more, it means there is sufficient oxygen in the body; no need to panic Misuse of medical oxygen by a person with normal O2 saturation levels, deprives someone whose saturation level is less than 90 - Dr. Randeep Guleria, Director, AIIMS #Unite2FightCorona | Press Information Bureau - PIB, Government of India

8 Warning Signs of Low Blood Oxygen Levels (link in 1st comment) | Simple Living