At the venous end of tissue capillaries, there is no net movement of O2 and CO2.

Name: At the venous end of tissue capillaries, there is no net movement of O2 and CO2.
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Question

Quizplus · Accepted Answer

At the venous end of tissue capillaries, the partial pressure of O2 is lower than in the arterial end, and the partial pressure of CO2 is higher. This creates a net diffusion of O2 from the capillaries into the tissues and a net diffusion of CO2 from the tissues into the capillaries.

At the Venous End of Tissue Capillaries, There Is No