Kaila9111
Kaila9111 Kaila9111
  • 25-09-2017
  • Physics
contestada

The cardiovascular system works closely with the __ system, which takes oxygen out of the air and makes it available for our cells to use.

A. Endocrine
B. Excretory
C. Digestive
D. Respiratory

Respuesta :

greenbeanzoie
greenbeanzoie greenbeanzoie
  • 25-09-2017
The Answer Is Respiratory System
Answer Link

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