Across
- 2. - large muscle of respiratory system
- 5. - functional unit of kidney
- 6. - needs to avoid rickets
- 8. - tests for starch
- 9. - blood vessel with valves
- 11. -positive colour for biurets
- 14. - takes oxygenated blood from the heart
- 15. - one reactant of respiration
- 16. - made up of amino acids
- 17. - chamber of heart
- 18. - unit of energy
- 19. -stores bile
- 22. - cancer causing in smoking
Down
- 1. - carries urine to bladder
- 3. - produces digestive enzymes
- 4. - disease due to lack of vitamin C
- 7. - cloudy when contact with carbon dioxide
- 10. - engulfs pathogens
- 12. - absorbs fats in villi
- 13. - site of gas exchange
- 20. -enzymes digests fat
- 21. - product of anaerobic respiration in yeast