Across
- 3. The body's internal fortress, defending against invaders.
- 6. A borrowed defence, fading with time but offering early aid.
- 9. The body's first line of defence, shielding against unwanted invaders.
- 12. Cellular swallowing—engulfing enemies to destroy them.
- 15. When water flows where it shouldn't, dehydration follows.
- 16. A microbial weapon disrupting the body’s balance.
- 17. A sticky barrier trapping microbes before they go deeper.
- 18. A tiny warrior, locking onto its foe with perfect precision.
- 19. Gained through battle, this defence lasts a lifetime.
- 20. Silent sentinels of past battles, ready for a second fight.
- 21. A mother’s natural gift, transferring protection through milk.
Down
- 1. A practice of prevention, training the immune army.
- 2. A molecular name tag, recognised by the body as friend or foe.
- 4. A cellular hunter, engulfing and digesting harmful invaders.
- 5. A specialised defender, producing antibodies and coordinating attacks.
- 7. A harsh protector, breaking down pathogens before they take hold.
- 8. Water’s silent shift, following solute’s lead.
- 10. A dry and dangerous state, draining the body’s reserves.
- 11. A microscopic troublemaker responsible for disease.
- 13. An illness that moves from host to host, sometimes unseen.
- 14. A watery disaster spread through contaminated sources.
