ANATOMY

Detailed explanation-1: -Urea, together with water and other waste substances, forms the urine as it passes through the nephrons and down the renal tubules of the kidney. Two ureters. These narrow tubes carry urine from the kidneys to the bladder.

Detailed explanation-2: -The kidneys are the part of the urinary tract that makes urine (pee). Urine has salts, toxins, and water that need to be filtered out of the blood. After the kidneys make urine, it leaves the body using the rest of the urinary tract as a pathway.

Detailed explanation-3: -Urine is formed in the kidneys through a filtration of blood. The urine is then passed through the ureters to the bladder, where it is stored. During urination, the urine is passed from the bladder through the urethra to the outside of the body.

Detailed explanation-4: -The kidneys filter unwanted substances from the blood and produce urine to excrete them.

Detailed explanation-5: -What hormones do the kidneys produce? The kidneys make two main hormones, vitamin D and erythropoietin. Vitamin D is essential for a number of different functions in the body.