biridianaisabep69s0d biridianaisabep69s0d
  • 25-06-2019
  • Biology
contestada

when does the circulatory system work with the respiratory system?
a- during cellular respiration
b- during blood cell formation
c- during intestinal digestion
d- during a viral infection

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janveg4642
janveg4642 janveg4642
  • 25-06-2019
B- during blood cell formation
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phamjam phamjam
  • 25-06-2019
It is during breathing so cellular respiration
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