Wednesday, June 10, 2009

Lesson 19: White blood cells and other defence systems

Hi,
Here are 16 slides to help you along in your revision of immunity and defence. Revise the following concepts covered in these slides:

  • passive immunity- skin, mucus and cilia in trachea and bronchi, hydrochloric acid in stomach,enzymes in tears
  • active immunity-white blood cells
  • phagocytes or macrophages and how they defend the body
  • lymphocytes and how they defend the body
  • antibodies, antitoxins
  • vaccination and how to teach lymphocytes to recognise and kill pathogens
  • antibiotics and how they kill bacteria
Defending Against Infection


Cheers

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