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Type: Multiple-Choice
Category: Nervous and Endocrine Systems
Level: College
Author: sarasmith2015
Last Modified: 8 years ago

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Nervous and Endocrine Systems Question

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College Nervous and Endocrine Systems

Norepinephrine and epinephrine are considered to be                                  when released into the bloodstream, but                                  when released into synapses.
  1. neurotransmitters, hormones
  2. neurotransmitters, neuropeptides
  3. neuropeptides, neurohormones
  4. neuropeptides, neurotransmitters
  5. hormones, neurotransmitters