World Kidney Day
World Kidney Day is held on March 11. It is a global health awareness campaign focusing on the importance of the kidneys and reducing the frequency and impact of kidney disease and its associated health problems worldwide. This event in the second decade of the month March is annual. 
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Your Kidneys Pump More than 50 Gallons of Blood Daily. They Regulate Your Body's Salt Content. While most people have two kidneys, you only need one functioning kidney to lead a healthy life.
Every day, the average human kidney filters about 112 to 144 litres of blood to produce 0.94 to 1.7 litres of urine every day. Your kidneys act like a filter to remove wastes and extra fluid from your body. Kidneys also produce hormones that regulate various bodily functions. Renin is one such hormone that regulates blood pressure.
Risk factors for kidney disease include: Diabetes. High blood pressure. Being 60 years or older. Normally, kidneys are about the size of a fist or 10 to 12 cm (about 5 inches). Kidney atrophy means that the kidney is smaller than normal.
Similar holidays and events, festivals and interesting facts
Global Economics Day on March 10 (Date in 2023. Celebrated at the International Business Festival [10-11 March, 2022], which takes place in Liverpool, UK every two years. The 2018 Festival celebrated and supported business, through unmissable conferences, seminars and bespoke business brokerage meetings at Exhibition Centre Liverpool for three weeks, bringing a world of business to anticipated crowds of thousands of delegates.The Festival hosted more than 100 individual events organized to promote economic stability and opportunities in a changing world and demonstrate the potential of the international market.);
International Bagpipe Day on March 10
The International Day of Awesomeness on March 10
International Women Judges' Day on March 10
International Mario Brothers Day on March 10
Registered Dietitian Nutritionist Day on March 10
National Women and Girls HIV/AIDS Awareness Day on March 10 (United States);
Doctors' Day in Venezuela on March 10
World Plumber’s Day on March 11 (initiated by the World Plumbing Council);
World Glaucoma Week on March 11 (March 11 to 17);
European Day of Remembrance for the Victims of Terrorism on March 11 (commemorating the terrorist attacks in Madrid on March 11, 2004, which killed 191 people);
Pediatrician's Day in El Salvador on March 11 (Día del pediatra);
World Day Against Cyber Censorship on March 12 (requested by Reporters Without Borders and Amnesty International in 2009);
International Napping Day on March 12
Global Brain Awareness Week on March 12 (March 12 to 18);
International Twitter Day on March 12