The Endocrine system

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 1. Long nerve fiber that conducts away from the cell body of the neuron (4)
  2. 5. An organ that becomes active in response to nerve impulses (8)
  3. 8. A catecholamine secreted by the ___ medulla in response to stress (10)

Down

  1. 2. Any bundle of ___ fibers running to various organs and tissues of the body (plural) (6)
  2. 3. Hormone produced by the ___ glands to regulate metabolism by controlling the rate of oxidation (8)
  3. 4. Any ___ information or event (8)
  4. 6. The secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has (plural) (8)
  5. 7. Hormone secreted by the isles of Langerhans in the pancreas (7)