During Exercise, O2 Is Depleted in Muscle Tissue

question 24

Multiple Choice

During exercise, O2 is depleted in muscle tissue. What effect would this have on internal respiration?

• A) There would be increased diffusion of O2 out of the blood and into the muscle tissue.
• B) There would be decreased diffusion of O2 out of the blood and into the muscle tissue.
• C) There would be increased diffusion of O2 out of the blood and into the lungs.
• D) There would be decreased diffusion of O2 out of the blood and into the muscle tissue and a decrease in heart rate to bring more O2 to the exercising muscle.

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