It can end up in the urine, which is excreted by the kidneys, or it can end up in the sweat, which is excreted by our skin. And we'll talk more about sweat and the skin structure in a future lecture. Now, the third function of our liver is in blood storage blood filtration and the recycling of Erythrocytes, also known as red blood cells. So the liver can actually expand, so the blood vessels inside the liver are capable of expanding and that means the liver can actually act as a storage system for blood. So the blood vessels in the liver can expand to store extra blood that might be needed by the body in a future time. Now, specialized phagocytic cells inside the liver, known as cup force cells, are responsible for fagatizing, for eating up, engulfing and breaking down infectious bacterial cells that are found inside our blood plasma and found inside our liver.