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How Much Do You Know About the Pericardium - The Heart's Protective Layer?
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How Much Do You Know About the Pericardium - The Heart's Protective Layer?

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Questions and Answers

What is the function of the fluid in the pericardial sac?

  • It lubricates the heart's surface during contraction to reduce friction (correct)
  • It pumps blood to the heart
  • It provides oxygen to the heart
  • It stores waste products
  • What is the epicardium made of?

  • Mesothelial cells
  • Adipose tissue (correct)
  • Lymphatics
  • Nerve fascicles
  • What is the pericardial sac composed of?

  • Three layers that secrete mucus
  • Two layers that secrete blood
  • Two layers that secrete serous fluid (correct)
  • A single layer of cells
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