The table gives the concentrations of gases in a blood vessel and in an alveolus. Which row indicates the conditions that make a gas produced in respiration diffuse from the blood vessel into the alveolus?
- Acarbon dioxide; concentration in the blood vessel: low; concentration in the alveolus: high
- Bcarbon dioxide; concentration in the blood vessel: high; concentration in the alveolus: low
- Coxygen; concentration in the blood vessel: low; concentration in the alveolus: high
- Doxygen; concentration in the blood vessel: high; concentration in the alveolus: low