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Circulatory system

Biology · Human anatomy & physiology

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About this practice set

Circulatory system is a Biology quiz (Human anatomy & physiology) with 5 multiple-choice questions. Pick an answer and read the explanation that follows.

What you will be asked

  • The heart is a:
  • Blood vessels carrying blood away are:
  • Blood vessels returning blood are:
  • Oxygen exchange occurs in:
  • The heart has how many chambers?