AP BIOLOGY

Detailed explanation-1: -Urea is carried in the bloodstream to the kidneys, where it is removed along with water and other wastes in the form of urine. Other important functions of the kidneys include blood pressure regulation and the production of erythropoietin, which controls red blood cell production in the bone marrow.

Detailed explanation-2: -The kidneys remove urea from the blood through tiny filtering units called nephrons. Each nephron consists of a ball formed of small blood capillaries (glomerulus) and a small tube called a renal tubule.

Detailed explanation-3: -The kidneys are the part of our excretory system. It plays an important role by filtering blood and removing urea, excess salt and water from the body as urine.

Detailed explanation-4: -Ammonia is toxic, and if it builds up, this can be very dangerous to our health. So, it is converted into urea in the liver. Urea is much less toxic than ammonia, but can still be toxic if it’s allowed to build up. So it is excreted from our body in urine.

Detailed explanation-5: -Overview. Uric acid moves through your blood to your kidneys. Your kidneys then add that uric acid to your urine, so it can leave the body.