Transcribed Image Text: 1. Choose (place an X) whether the characteristic applies to the Nervous System or Endocrine System (or both) Characteristic Action is generally brief (lasting milliseconds). Action generally

Transcribed Image Text: 1. Choose (place an X) whether the characteristic applies to the Nervous System or
Endocrine System (or both)
Characteristic
Action is generally brief (lasting milliseconds).
Action generally lasts longer (seconds to days).
Mediator molecules delivered to target by bloodstream.
Action potentials trigger release of mediator molecules at synapse with target.
Target cells require specific protein receptor for mediator molecule.
Stimulates skeletal muscle contractions.
Influence is much broader; will regulate virtually all types of body cells.
Controls growth & development and regulates reproductive systems.
Maintains internal environments (homeostasis)
Nervous Endocrine
Mediator molecules include acetylcholine, glutamate, norepinephrine, serotonin
Mediator molecules include aldosterone, melatonin, insulin, calcitonin

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