circulatory system quiz

by: scarecrow75
  1. 1

    how many gallons of blood goes through your heart chambers a day

  2. 2

    what are the four chambers of your heart

  3. 3

    what is the smallest vessel in your circulatory system

  4. 4

    were do the veins carrie blood

  5. 5

    what helps clot your blood

  6. 6

    how many liters of blood does your heart pump a minute

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