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

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Circulatory and Immune Systems Question

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College Circulatory and Immune Systems

Atrial depolarization causes                       .
  1. the P wave
  2. the QRS complex
  3. the T wave
  4. the first heart sound
  5. the second heart sound