Unit 1 Anatomy and Physiology

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1. Why is blood pressure increased?

  • Demand for nitrogen for the muscles
  • Demand for oxygen for the muscles
  • Demand for lactic acid for the muscles
  • Demand for carbon dioxide for the muscles
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2. What happens to the heart after exercise?

  • It decreases reducing the workload
  • It stops beating
  • It speeds up
  • It slows down instantly

3. What helps redirection of blood flow?

  • Vasoredirection and Vasodilation
  • Vasocontraption and Vasodilation
  • Vasoconstriction and Vasodilation
  • Vasoconstriction and Vasodilution

4. What is needed for more blood to be pumped around the body?

  • More oxygen
  • More capillaries
  • More muscles
  • Less capillaries

5. what happens to our stroke voulme during exercise?

  • It increases
  • It decreases
  • It stops
  • It slowly increases
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