true of false

1. The actual removal of wastes takes place in the small units of the kidney called nephrons.
2. If wastes are not filtered by the kidney, they can make the body healthy. 3. Uremia happens when the body becomes poisoned by its own waste.
4. Urinary tract infection (UTI) causes the formation of stones in the kidney.
5. The kidneys are bean-shaped and are about the size of a fist.

ty Po ^^​