Across
- 3. urine flow out of bladder to outside.
- 5. simple__molecules donot conduct electricity
- 9. group 8 is also known as____gases
- 10. number Number of protons can be shown by
Down
- 1. electrons are held in place by ___Force
- 2. element found in group 7 of periodic table
- 4. atomic number of potassium
- 6. vessels special cells that forms water transport system
- 7. giant structure, soft material
- 8. waste substances made in liver cells