dgonzale3431 dgonzale3431

03-10-2017
Biology

contestada

What is the primary role of the respiratory system in living organisms?
a. to make carbon dioxide
b. to obtain oxygen
c. to use up nitrogen
d. to find hydroge?

Respuesta :

hcullum57ox3px2 hcullum57ox3px2

03-10-2017

Respiratory system, the system in living organisms that takes up oxygen and discharges carbon dioxide in order to satisfy energy requirements. In the living organism, energy is liberated, along with carbon dioxide, through the oxidation of molecules containing carbon..

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