AP BIOLOGY

Detailed explanation-1: -Urea is carried in the blood to the kidneys. This is where it is removed, along with water and other wastes in the form of urine. The kidneys have other important functions. They control blood pressure and make the hormone erythropoietin.

Detailed explanation-2: -After the body has taken what it needs, from the food, the waste is sent to the blood. The kidneys filter out the waste products and excess fluids from the body and dispose of them in the form of urine, via the bladder. The clean blood flows back to the other parts of the body.

Detailed explanation-3: -The kidney and urinary systems help the body to eliminate liquid waste called urea, and to keep chemicals, such as potassium and sodium, and water in balance. Urea is produced when foods containing protein, such as meat, poultry, and certain vegetables, are broken down in the body.

Detailed explanation-4: -The wastes are eliminated in urine, a watery fluid that contains urea and other waste. Function-tubes that take urine from the kidney to the urinary bladder.

Detailed explanation-5: -The bean-shaped kidneys filter waste products out of the bloodstream and dispose of them by creating urine. Urine is made of these waste products dissolved in water.