Biology game

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Across
  1. 4. When a pathogen is passed from one person to another
  2. 7. can destroy infected cells, they are a part of the cell mediated response.
  3. 9. Microorganism that causes diseases
  4. 10. Stimulates the production of antibodies and provides immunity against the disease
Down
  1. 1. External protection/phisical barriers (line)
  2. 2. Specialized, Y-shaped proteins that bind like a lock-and-key to the body's foreign invaders
  3. 3. When a pathogen is passed either through the respiratory passages or by food or water or by vectors
  4. 5. Cells made to get rid of specific microorganisms that have invaded your tissue
  5. 6. Are also white blood cells which have the ability to make antibodies
  6. 8. Cells and proteins that attack invaders (the macrophages)