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Oxygen Travels From The Pharynx To The. _ keeps airway open _ 8. An oxygen molecules the atmosphere enters the nose or mouth where the airs warmed, and moistened.

Systems of Gas Exchange Biology I
Systems of Gas Exchange Biology I from courses.lumenlearning.com

The vast majority of oxygen is bound to hemoglobin, a protein contained within red cells. This is the path of oxygen after we first breathe in: Oxygen travels from the pharynx to the _____ to the _____ and finally to the _____ where oxygen is exchanged with the bloodstream.

Systems of Gas Exchange Biology I

The pharynx is a pathway in which both air and food travel, henceforth it is an important passage for the digestive and respiratory tracts. The atmosphere has roughly 21 percent oxygen. As it travels, the air makes rapid swirls of movement in order to cause small particles in the air to stick to mucus. An oxygen molecules the atmosphere enters the nose or mouth where the airs warmed, and moistened.