AP BIOLOGY

Detailed explanation-1: -Their main job is to cleanse the blood of toxins and transform the waste into urine. Each kidney weighs about 160 grams and gets rid of between one and one-and-a-half litres of urine per day. The two kidneys together filter 200 litres of fluid every 24 hours.

Detailed explanation-2: -Most people know that a major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.

Detailed explanation-3: -The kidney produce urine by removing toxic waste products and excess water from the body. Urine formed in each kidney passes through the ureter, flows into bladder before finally being excreted through the urethra.

Detailed explanation-4: -The kidneys Materials eliminated via the kidney include nitrogenous waste products (ammonia, uric acid, urea, creatine, creatinine, and amino acids), excess quantities of salts and water that may be taken into the body, and various other organic materials produced by life-sustaining chemical reactions.

Detailed explanation-5: -The kidney’s primary role is the excretion into the urine of body waste and damaging chemicals. The nephron is the kidney’s functional unit responsible for excretion. There are about one million nephrons in each kidney.