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A member asked:
What do the organs in the respiratory system do?
5 doctors weighed in across 2 answers
Get oxygen to blood: Respiration is the process of bringing oxygen into the lungs and exhaling carbon dioxide out of them. Once inside the lungs, the oxygen crosses cell membranes to get into the blood stream. The blood circulates the oxygen to the rest of the body including the brain which cannot function without it. Carbon dioxide is the waste product of well functioning cells and is also carried back by the blood.
Answered 7/1/2017
5.2k views
Respiratory system: Its functions are breathing, getting oxygented air to the blood/organs.
Answered 12/2/2012
5.5k views
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