After drinking a few glasses of water on a hot day, you might be struck with a sudden ... urge. Behind that feeling are two bean-shaped organs that work as fine-tuned internal sensors. Emma Bryce details how the incredible kidneys balance the amount of fluid in your body, detect waste in your blood, and know when to release the vitamins, minerals, and hormones you need to stay alive.
We’ve all heard that the human body is primarily composed of water and that we need to consume a certain amount in order to survive. Your muscles and kidneys are composed of 73% water; your blood is composed of 83% water; your lungs are 90% water and your brain is made up of 76% water. We lose... View Article