anonymous
  • anonymous
George is running a 5-km race and his cells need more oxygen. Which change will help his body meet the increased demand for oxygen? A. His heart beating more quickly. B. His breathing becoming more shallow. C. His pancreas releasing more insulin.. D. His sweat glands becoming more active
Biology
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
A his heart Beating more quickly. Besting faster means oxygen is Ferried through the body faster.
anonymous
  • anonymous
k thant's what I thought...
anonymous
  • anonymous
No prob! Thanks!

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anonymous
  • anonymous
you welcome

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