The kidney,ureter, urinary bladder,and urethra are all organs of the Excretory System.
A kidney filters water and wastes from the blood and excretes products as urine. It's tissues are the adrenal gland,cortex, and medulla.
The Circulatory System's blood passes through the lungs and urea, uric acid, and water are removed from the blood and most of the water is put back into the system.
The Nervous System works with the Excretory System because you know when you need to use the bathroom.
Bacterial Infections can spread all the way to your kidney and cause permanent damage if you don't see a doctor immediately.
Kidney Stones are the result of salts and other wastes collecting inside the kidneys and forming kidney stones. They usually pass naturally but sometimes have to be removed by a doctor.
Kidney Disease is something you get by nephrons being damaged and that preventing normal kidney functioning. A kidney machine can be used to filter waste from the blood.
