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16 June, 08:41

Which is not part of the circulatory system

A. heart

B. air passageway

C. blood

D. blood vessels

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Answers (2)
  1. 16 June, 08:47
    0
    B. Air Passageway, because because the air passageway is apart of the respiratory system (lungs etc.).
  2. 16 June, 09:03
    0
    B. air passageway ...
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