Which of the Following Statements Is True

question 20

Multiple Choice

Which of the following statements is true?

• A)Oxygen moves into cells by diffusion, but carbon dioxide is moved by active transport.
• B)Oxygen and carbon dioxide move into and out of cells and alveoli passively by diffusion.
• C)Carbon dioxide and oxygen are actively transported into and out of blood by diffusion.
• D)Oxygen moves into cells by diffusion, but in the alveoli it is actively transported.

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