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The oxygen diffuses through the thin lining of the alveoli into the blood. It moves from the area of high oxygen concentration (the alveoli) to the area of low oxygen concentration (the blood).

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What system in your body helps move oxygen throughout your body?

The circulatory system helps move oxygen throughout your body.


When oxygen move from the lungs to the bloodstream is it by osmosis?

No, the movement of oxygen from the lungs to the bloodstream is not by osmosis. Instead, it occurs through a process called diffusion, where oxygen molecules move from an area of high concentration (in the lungs) to an area of lower concentration (in the bloodstream) to reach equilibrium.


Why does oxygen diffuse from an alveolus to the blood around it?

Oxygen diffuses from an alveolus to the blood around it because of the concentration gradient between the high oxygen concentration in the alveolus and the lower oxygen concentration in the blood. This process allows oxygen to move from the lungs into the bloodstream for transport to the body's cells.


What are some molecules that move by diffusion and osmosis?

Molecules that move by diffusion include oxygen, carbon dioxide, and water. During osmosis, water molecules move across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.


The walls of the alveoli are so thin that gases like oxygen and carbon dioxide can pass through them by a process called?

The process is called diffusion. It is the movement of molecules from an area of higher concentration to an area of lower concentration, allowing oxygen to move into the bloodstream and carbon dioxide to move out of the bloodstream in the alveoli.