Carbon monoxide reduces the oxygen carrying capacity of red blood cells. The health effects depend on the duration of exposure and the concentration of carbon monoxide inhaled.

• 一氧化碳会降低红血球的带氧能力,它对健康所造成的影响则视乎身体接触一氧化碳的时间长短,以及吸入一氧化碳的浓度。