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Title: Which organ regulates the amount of carbon dioxide circulating in the blood? Post by: eliza20 on Jan 18, 2018 Which organ regulates the amount of carbon dioxide circulating in the blood?
a. blood c. lungs b. kidneys d. pancreas Title: Which organ regulates the amount of carbon dioxide circulating in the blood? Post by: Jjahole on Jan 18, 2018 Content hidden
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