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The excretory system helps the respiratory system by introducing more oxygen into the lungs. circulating blood into and out of the lungs. removing carbon dioxide that is produced during respiration. removing urine that is produced during respiration.
The excretory system helps the respiratory system by removing carbon dioxide that is produced during respiration.
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Asked 11/16/2015 5:30:36 PM
Updated 323 days ago|1/26/2018 8:04:12 AM
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The excretory system helps the respiratory system by removing carbon dioxide that is produced during respiration.
Added 323 days ago|1/26/2018 8:04:12 AM
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