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Type: Multiple-Choice
Category: Circulatory and Immune Systems
Level: Grade 12
Author: AshleyMorris
Last Modified: 6 years ago

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Circulatory and Immune Systems Question

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Grade 12 Circulatory and Immune Systems

Which wall of the heart is the outermost layer that helps reduce friction?
  1. epicardium
  2. myocardium
  3. endocardium
  4. pericardium