T and B lymphocytes

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 2. A thin ___ enclosing the cytoplasm of a cell (14)
  2. 4. An organelle found in the cytoplasm of most cells (plural) (9)
  3. 6. Any of a large variety of proteins normally present in the body or produced in response to (plural) (10)
  4. 7. Any disease-producing agent (plural) (9)
  5. 8. The quantity of water falling to earth at a specific place within a specified period of time (13)
  6. 9. Cell division in which the nucleus divides into nuclei containing the same number of chromosomes (7)
  7. 10. A cellular structure that is postulated to exist in order to mediate between a chemical agent (8)

Down

  1. 1. A bodily defense reaction that recognizes an invading substance and produces antibodies specific (14)
  2. 2. Process in which ___ engulf and digest microorganisms and cellular debris (12)
  3. 3. Any substance that stimulates an immune response in the body (plural) (8)
  4. 5. Dissolution or destruction of cells such as blood cells or bacteria (5)