An Example of Diffusion in the Respiratory System Is Movement

question 76

Multiple Choice

An example of diffusion in the respiratory system is movement of:

• A) oxygen from the alveoli into the pulmonary capillaries.
• B) air from the outside environment into the lungs.
• C) oxygen from the tissues into the systemic capillaries.
• D) carbon dioxide from the alveoli into the pulmonary capillaries.

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