Chapter 15

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. Immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order (7)
  2. 6. A substance that destroys micro-organisms that carry disease without harming body tissues (10)
  3. 7. Any of various antibiotics obtained from ___ molds and used in the treatment of various (10)
  4. 9. A widespread outbreak of an infectious disease (8)

Down

  1. 1. A minute life form (plural) (8)
  2. 3. A chemical substance derivable from a mold or bacterium that can kill microorganisms and cure (10)
  3. 4. Tiny single-celled living things, some of which cause illness (8)
  4. 5. Any of a large variety of proteins normally present in the body or produced in response to (plural) (10)
  5. 8. A person who is ___ to a particular infection (6)