During oxygen transport, the oxyhemoglobin at the tissue level liberates oxygen to the cells because in tissue:
Correct answer: A. O2 concentration is high and CO2 is low.
- A. O2 concentration is high and CO2 is low.
- B. O2 concentration is low and CO2 is high.
- C. O2 tension is high and CO2 tension is low.
- D. O2 tension is low and CO2 tension is high.
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About Respiration
The human respiratory system includes the air passages, lungs, alveoli and breathing muscles, while gaseous exchange explains how oxygen enters blood and carbon dioxide leaves it by diffusion. The effects of smoking include damage to cilia and alveoli, reduced gas exchange, chronic bronchitis, emphysema and increased risk of lung cancer.
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