Fighting Desease

• What does the stomach produce that kills pathogens?

  Stomach acid
• Give three ways that white blood cells can fight against pathogens

  Phagocytosis, antibody production, and cytokine release.
• Give one pro and con of vaccination?

  Pro: Vaccination helps prevent the spread of infectious diseases and protects individuals and communities from illness. Con: Vaccination can have rare side effects, although they are typically mild and temporary.
• Why is it difficult to develop drugs that kill viruses without also damaging body tissues?

  Viruses are microbes which go inside the cell so the only way of getting rid of the viruses is to destroy the cell altogether or for something to go inside the cell and kill then that way
• Which plant does the pain killer aspirin come from?


  Willow tree
• What two things are drugs tested on in preclinical testing?

  Animals and cells
• What is a placebo?


  A placebo is a substance or treatment that has no therapeutic effect, often used in medical research as a control group.