chaW7il0lesheik chaW7il0lesheik

03-04-2016
Biology

contestada

Which organ system is responsible for transporting oxygen throughout the human body?
A. digestive system
B. respiratory system
C. circulatory system
D. excretory system

Respuesta :

MichaelLiu MichaelLiu

04-04-2016

B. respiratory system

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