_______ is the movement of the external medium across the respiratory membrane, while _______ is the movement of an internal medium, such as blood, over the respiratory membrane.

Question

Quizplus · Accepted Answer

Perfusion refers to the movement of an internal medium over the respiratory membrane, and ventilation refers to the movement of the external medium across the respiratory membrane. Therefore, option C is the correct answer - ventilation; perfusion.

_______ Is the Movement of the External Medium Across the Respiratory