Biology

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Cardiovascular System

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  • 1. Multiple Choice
    1 minute
    1 pt
    How many valves does  the heart have ? 
    7
    4
  • 2. Multiple Choice
    1 minute
    1 pt
    How many chambers does the heart have ? 
    4
    6
    3
    1
  • 3. Multiple Choice
    1 minute
    1 pt
    The average blood pressure is 
    120/80
    80/120
    115/180
    120/180
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