Silk counts to the strongest natural fabric in the world. Known for its softness, luster, beauty and luxurious look, silk fabric is one of the higher grade fabric providing comfort to the wearer in all types of weather. Keeping the body cool in summer and warm in winter, silk was discovered during 2640 B.C. in china.
While filtering, the kidneys produce urine to carry the toxins away. The urine is sent through two tubes called ureters down to the bladder, where the urine then leaves the body through the urethra. The kidneys also make hormones. These hormones help regulate blood pressure, make red blood cells and promote bone health.
By Walter Last. The main functions of the kidneys are the removal of metabolic waste matter, of any toxic material and excess of water, minerals, and bio-chemicals in order to keep their blood levels within on optimal range. This is done by filtering the blood and concentrating the waste in the form of urine.