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Home > A-Level Revision > Short-term Effects of Exercise > Quick Questions > Answers

Short-term Effects of Exercise - Answers

 
  • Increases in which three things cause an increase in heart rate?

    • Increases in lactic acid, carbon dioxide and temperature


  • What effect does a lower level of Oxygen in the blood have at the lungs?

    • Increased rate of diffusion


  • How is venous return increased?

    • Skeletal muscle pump and respiratory pump


  • What effect does adrenaline have?

    • Raises the heart rate


  • What two mechanisms help divert blood to where it is needed?

    • Vasodilation and vasoconstriction




   
 

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