Biology- sky

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Across
  1. 2. Cells that regulate immune system balance.
  2. 3. Cells that secretes antibodies.
  3. 6. Biological preparation designed to stimulate the immune system to protect against specific diseases.
  4. 10. When disease being passed from one host to another.
  5. 11. vesicle formed after neutrophils engulf a bacterium.
  6. 12. A disease which weakens the immune system, specifically targeting CD4 cells.
  7. 14. cells Cells that destroys body cells.
  8. 15. Immunity acquired from the introduction of antibodies from another source.
Down
  1. 1. process which air ins taken into the body and carbon dioxide is expelled
  2. 4. Man's voice box.
  3. 5. What an alveolar wall is mostly composed of.
  4. 7. Medication used for treating diseases caused by infection.
  5. 8. Life-threatening disease that is caused by plasmodium.
  6. 9. C-shaped cartilage which helps transport air and water
  7. 13. Where air is moistend, warmed and filtered before being taken in