AS Biology F212 Health & Disease

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Across
  1. 1. Movement of leucocytes towards a chemical signal.
  2. 3. The gland where T lymphocytes mature after being released from the bone marrow.
  3. 4. The vaccination of the whole population to provide protection from a disease.
  4. 5. B and T lymphocyte that remain in the blood after an infection and give us immunity.
  5. 7. A disease causing organism.
  6. 9. The genus of protoctist which contains organisms that cause malaria.
  7. 11. Deposition of fatty material in the walls of arteries.
  8. 14. Chemicals produced by T helper lymphocytes which stimulate B cells to divide.
  9. 15. Chemicals produced by T killer cells that kill cells infected by viruses.
  10. 17. A departure from good health caused by a malfunction of the mind or body.
Down
  1. 1. The cloning of T and B lymphocytes following their exposure to a non-self antigen.
  2. 2. Any molecule that can initiate an immune response including antibody production.
  3. 6. An organism that lives in or on another organism but doesn't always cause disease.
  4. 8. Antibody producing B lymphocytes.
  5. 10. A large phagocytic leucocyte which acts as an antigen presenting cell.
  6. 11. A protein made in response to a specific antigen which can bind to and neutralise antigens.
  7. 12. A state of mental, physical and social wellbeing.
  8. 13. Vaccination of anyone around or in contact with an infected person to control the spread of the disease.
  9. 16. A phagocytic white blood cell with an irregular lobed nucleus.