Glossary

Below you find a list of terms which are used in the chapters. You can print this page for offline use.

• Ammonia
  A pungent gas compounded of nitrogen and hydrogen.
  
  
• Bleach
  An agent that makes things white or colorless.
  
  
• Chill
  A sensation of cold that often marks the start of an infection and the development of a fever.
  
  
• Humidity
  Wetness in the atmosphere.
  
  
• Hypoxia
  A very strong drive resulting from oxygen deficiency in bodily tissues.
  
  
• Immune system
  A system that protects the body from foreign substances and pathogenic organisms by producing the immune response.
  
  
• Incubation period
  The period between infection and the appearance of symptoms of the disease.
  
  
• Mucous membrane
  Mucus-secreting membrane lining all body cavities or passages that communicate with the exterior.
  
  
• Pneumonia
  Inflammation of the lungs with congestion caused by viruses or bacteria or irritants.
  
  
• Symptoms
  Any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease.
  
  
• Vaccine
  A suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies.