Biology 9700 · AS & A Level · Transport of oxygen and carbon dioxide

Transport of oxygen and carbon dioxide — practice question

The diagram illustrates a network of blood vessels that delivers blood to muscle tissue in the human body. When the muscle tissue is at rest, which statement correctly compares the blood at X with the blood at Y?

  • Ablood pressure at X compared with blood pressure at Y: equal; water potential of blood at X compared with water potential of blood at Y: higher
  • Bblood pressure at X compared with blood pressure at Y: equal; water potential of blood at X compared with water potential of blood at Y: lower
  • Cblood pressure at X compared with blood pressure at Y: higher; water potential of blood at X compared with water potential of blood at Y: higher
  • Dblood pressure at X compared with blood pressure at Y: higher; water potential of blood at X compared with water potential of blood at Y: lower

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