Biology · Human Physiology
If both Oxygen (O2) and Carbon Monoxide (CO) are present in the air, what happens inside the human body?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Hemoglobin stops binding with both gases entirely
- 2CO enhances the absorption of O2 by hemoglobin
- 3Hemoglobin binds with CO with lower affinity than O2
- 4Hemoglobin binds with CO with much higher affinity than O2✓
Correct answer
Hemoglobin binds with CO with much higher affinity than O2
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