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Oxygen is the gas that passes from the lungs to the bloodstream.
Oxygen
Oxygen is the gas that usually passes into cells. It moves by diffusion from the bloodstream.
oxygen
Carbon Dioxide
A renal tubule passes most of the fluids it processes into the bloodstream
The presence of gas bubbles in the bloodstream that obstruct circulation
Carbon Monoxide is a gas that prevents oxygen from entering the bloodstream, that's the reason why it's so deadly
Digestion is completed and absorbed into the bloodstream
The small intestines to be exact. :)
Carbon Dioxide
It Produces Gas.