Jessicbabysariolet Jessicbabysariolet

07-12-2015
Biology

contestada

The main function of the respiratory system is to do what?
A. Circulate nutrient rich blood to the body
B. To absorb nutrients into the body
C. To exchange gasses between the blood and the environment.
D. To relay information to the body for life support

Respuesta :

WorldCitizen WorldCitizen

07-12-2015

The main part of the respiratory system is the lungs; the lungs are a place where oxygen can enter the blood, and the carbon dioxide leaves the blood. The correct answer is here:

C. To exchange gasses between the blood and the environment.

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