Across
- 2. The functions of this in the excretory system is to break down toxic waste chemicals in the blood into the urea.
- 4. The function of this in the excretory system is to remove carbon dioxide from the blood by exhaling it and inhaling oxygen.
- 5. Liquid waste called urine is passed through these two tubes called the?
- 7. This is the main organ in the excretory system. They are two bean like organs located on either side of the spine.
Down
- 1. The function of this in the excretory system is to remove solid waste.
- 3. The function of the kidneys is to filter out what?
- 6. The function of this in the excretory system is to eliminate excess water and salt through sweat glands.