janiyahclark38 janiyahclark38
  • 04-03-2019
  • Health
contestada

The ____________ systems are most responsible for providing cells with oxygen and removing the carbon dioxide.
A) excretory and muscular
B) digestive and excretory
C) skeletal and respiratory
D) circulatory and respiratory

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transformingpotatowa
transformingpotatowa transformingpotatowa
  • 04-03-2019

D. circulatory and respiratory.

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