Download Human Excretory System

Human Excretory System
Across
2. The kidneys work by ..........the blood
3. The urine flows down the .......... to the bladder
5. Urine flows through the .......... to the outside
9. The ...........stores the urine before it is released
10. This is the production and release of chemicals from cells
11. The removal of waste products of metabolism from the body.
Down
1. The lighter inner zone of the kidney
4. Blood vessels .............back useful nutrients from the
tubules
6. The outer darker region of the kidney
7. In the ........, excess amino acids are split into a
carbohydrate and urea.
8. The .............system consists of the kidneys, the bladder
and some ducts tubes).