The kidneys are vital bean-shaped organs in our bodies. They are part of the urinary system and play a crucial role in filtering waste products like urea from the blood. Once the kidneys have filtered out the waste, it is excreted along with water as urine.ContentsUnderstanding the Kidneys1. Sleep Problems and Fatigue2. Severe Headaches and … Continue reading 10+ Signs That Your Kidneys Aren’t Working Properly