Biology 9700 · AS & A Level · The heart

The heart — practice question

The diagram illustrates a cross-section of a mammalian heart. Which heart chambers are shown by W and X?

  • AW: left ventricle; X: right ventricle
  • BW: right atrium; X: left atrium
  • CW: right atrium; X: right ventricle
  • DW: right ventricle; X: left ventricle

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