dance1d426
dance1d426 dance1d426
  • 03-02-2018
  • Biology
contestada

what are the four main parts of the circulatory system?

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KatieKitten
KatieKitten KatieKitten
  • 03-02-2018
The heart, the blood vessels, lymphatic system (or defense system), and the blood are the four main parts of the circulatory system.

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atoriehansell20
atoriehansell20 atoriehansell20
  • 03-02-2018
heart, blood and blood vessels, veins, and capillaries

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