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Q1. A patient has esophageal cancer and should have a feeding tube inserted. The nurse tells the patient that the tube will be inserted surgically into the duodenum. The wife asks why the tube will not be inserted into the stomach directly. What have to the nurse said?

Q2. Examine the processes of exchange of O2 and CO2 that occur at the alveoli and muscle cells of mammals. Include in the answer a description of the transport of these gases in the blood.

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Biology, Academics

Category:- Biology
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