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Question 13

Complete the respiratory statement: This system takes in one gas needed by cells and removes another gas made by cells. Which pair is correct?

  1. Nitrogen enters, and hydrogen leaves.
  2. Carbon dioxide enters, and oxygen leaves.
  3. Oxygen enters, and carbon dioxide leaves.Bonne réponse
  4. Oxygen is produced, and all wastes leave.

Explication

The respiratory system supplies oxygen to the body and removes carbon dioxide produced by cellular activity. It does not manufacture oxygen, and exchanging nitrogen for hydrogen is not its principal gas-transfer function.

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Question 13: Complete the respiratory statement: This system takes in… · Human Body Systems · Questena