Biology 9700 · AS & A Level · The circulatory system

The circulatory system — practice question

The diagram illustrates part of the circulatory system in a mammal. In which part are blood pressure and flow speed at their lowest?

  • Alowest blood pressure at 1; lowest speed of flow at 4
  • Blowest blood pressure at 2; lowest speed of flow at 3
  • Clowest blood pressure at 3; lowest speed of flow at 2
  • Dlowest blood pressure at 4; lowest speed of flow at 1

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