Across
- 1. Immune cell that produces antibodies
- 4. Fluid that bathes tissues
- 6. Involuntary, rapid response to stimulus
- 8. Blood protein aiding clotting (10)
- 11. Organ producing bile but not storing it
- 13. Movement of molecules from high to low concentration
- 14. Protein marker triggering immune response
- 16. Tube linking kidney to bladder
- 17. INTESTINE Primary site of nutrient absorption
- 20. Chemical released across a synapse
- 22. Hormone antagonist to insulin
- 23. System controlling hormone release
- 25. Enzyme breaking down proteins in the stomach
- 26. Regulator of internal balance
Down
- 2. Blood vessel network surrounding nephrons
- 3. Site of aerobic ATP production
- 5. Structure preventing food entering trachea
- 7. Enzyme breaking down lactose
- 9. Lipid emulsifier secreted by liver
- 10. Respiratory muscle
- 12. Outer kidney layer involved in filtration
- 15. Vessel where blood pressure is highest
- 18. DIOXIDE Primary gas exchanged in alveoli
- 19. Pigment binding oxygen in blood
- 21. Largest artery in the body
- 24. System for body communication via neurons (7)