Across
- 1. lower chamber of the heart
- 3. basic unit of structure
- 4. digestion begins where
- 6. system that removes cellular waste
- 9. upper chamber of the heart
- 11. found in the kidney little filter that blood
- 13. a blood vessel that carries blood away from the heart
- 14. stores urine
- 15. a blood vessel that carries blood back to the heart
Down
- 2. absorbs water
- 5. system that brings oxygen intothebody
- 7. Filters waste from the blood
- 8. a blood cell that fights disease
- 10. a collection of tissues that carry out a specialized function
- 12. the liquid part of the blood