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lungs .
carbon dioxide
I wouldn't exactly characterize it as separating carbon dioxide and oxygen, however, I think the answer you are looking for is the lungs which takes up oxygen into the bloodstream and expels carbon dioxide out of the bloodstream into the lungs so we can breathe it out again.
carbon dioxide can not enter the bloodstream through the air scars because if it does there would be a hard time to breathe carbon dioxide doesn't have to do with anything about the air scares in the breathing area
Through the bloodstream.
Diffusion.
Diffusion.
Diffusion.
Diffusion.
The carbon dioxide is exhaled.
The gas that is being referred to is carbon dioxide which is a waste product of cellular respiration. In the respiratory system carbon dioxide is removed from the body as it is breathed out. This is done by the exchange of oxygen and carbon dioxide between the lungs and bloodstream. Oxygen is inhaled in enters the bloodstream and is then distributed throughout the body. At the same time carbon dioxide is breathed out which is produced as a waste product of cellular respiration.
carbon dioxide has to be breathed out because it can be harnful to the lungs
Oxygen is breathed in and carbon dioxide is breathed out as it is deadly to humans. Too much carbon dioxide breathed in will cause brain damage and eventually death.
As there is a low level of carbon dioxide in the air that animals (and people) breath, yes every breath taken in breaths in some carbon dioxide.But as carbon dioxide in the blood is transferred to the air in the lungs, increasing the level of carbon dioxide in that air, when they breath out both the carbon dioxide breathed in and the additional carbon dioxide from the blood are breathed out. Thus in balance more carbon dioxide is breathed out than is breathed in.
Carbon dioxide is a waste product breathed out by living animals. Excessive intake of carbon dioxide can lead to carbon dioxide poisoning.
lungs .
carbon dioxide