Unit 12 - Infectious Diseases Vocab

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Across
  1. 1. Made up of tissues and specialized white blood cells that attack foreign substances in the body
  2. 3. They decompose, or break down dead plants and animals for use by other organisms
  3. 8. Disease caused by heredity or environmental factors
Down
  1. 1. A disease caused by a pathogen
  2. 2. An organism, virus, or protein that causes disease
  3. 4. An organism that lives and feeds on another organism
  4. 5. Some are helpful to living things and some cause disease
  5. 6. A specialized protein that binds to an antigen and tags it for destruction
  6. 7. Tiny particles that have their own genetic material but depend on living things to reproduce
  7. 9. the ability to resist or recover from an infectious disease