Homeostasis

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. An organ that becomes active in response to nerve impulses (8)
  2. 4. A basal part of the diencephalon governing autonomic nervous system (12)
  3. 6. The master ___ of the endocrine system (14)
  4. 9. The organic process in which the substance of some differentiated structure that has been produced (12)
  5. 11. The part of an enzyme or antibody where the chemical reaction occurs (10)
  6. 12. Either of two bean-shaped excretory organs that filter wastes from the blood and excrete them (plural) (7)
  7. 13. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has (7)

Down

  1. 1. Any of several complex proteins that are produced by cells and act as catalysts in specific (6)
  2. 2. The process whereby fluids pass through a filter or a filtering medium (10)
  3. 3. Dilation of blood vessels (12)
  4. 5. Subnormal body temperature (11)
  5. 7. To add nonfissionable material to so as to make unsuitable for use in an atomic bomb (9)
  6. 8. Diffusion of molecules through a semipermeable membrane from a place of higher concentration to (7)
  7. 9. A cellular structure that is postulated to exist in order to mediate between a chemical agent (8)
  8. 10. The process of the ___ glands of the skin secreting a salty fluid (8)