Unit 7: Immune & Lymphatic Systems
Across
- 1. Type of immunity present at birth as part of our biological make up
- 4. A protein produced by the immune system that identifies and neutralizes foreign substances, or antigens, such as bacteria and viruses
- 5. Makes a special type of white blood cell called a T-cell
- 7. Stores white blood cells and destroys old blood cells
- 9. Naturally acidic and full of enzymes and destroys pathogens
- 10. A group of proteins in your blood that help the rest of the immune system to fight infection
Down
- 2. Type of immunity where the body learns to react to pathogens through infection or immunisation
- 3. Trap germs entering the mouth
- 6. Seal up wounds
- 8. Clear fluid with immune cells and waste