Rsoccer10 Rsoccer10
  • 16-02-2022
  • Health
contestada

The _______
adapt to be able to take in more oxygen, and the ______
become more efficient at using oxygen


A. arms legs
B. brain, spinal cord
C. heart, lungs
D. lungs, muscles

Respuesta :

mariahcrawford64 mariahcrawford64
  • 16-02-2022

The answer is Letter D.

Answer Link

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