jarmstead jarmstead

07-03-2017
Physics

contestada

he lungs and respiratory system work closely with the ___________ system to make sure oxygen reaches all the cells of our body.
A) circulatory
B) digestive
C) integumentary
D) nervous

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rezking rezking

07-03-2017

im pretty sure it is answer a

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HistoryNerd15 HistoryNerd15

07-03-2017

your bloodstream carries oxygen to various parts of you body so the answer is a. circulatory

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