ANSWERS: 1
  • I'm sorry.. I'm a tad confused by what that means? I can try to answer the O2 getting into the body part, but I'm not sure what the "water on the cell membrane" part means. anyway, when you breathe in the air goes rushing into your lungs and down into the tiny little spongy areas filled with small openings that carry the air called alveoli. these areas allow blood and air to come into veeeery close contact with one another. In you blood is a totally awesome fantastic mollecule called hemoglobin which binds to both Oxygen(O2) and Carbon Dioxide (CO2), When the hemoglobin is in the alveoli, the environment (pressure, mix of elements etc..) there makes the hemoglobin 'want' to grab a mollecule of O2, so it binds 02 and the bloodstream carries it along through your blood as one big mollecule of hemoglobin+oxygen. Now this is the awesome part.... As I'm sure you know, We produce a ton of CO2 as a waste product and our bodies HAVE to dump it or we'll die! So the hemoglobin gets down to the muscles or brain or organs or wherever, and there's all this CO2 waste sitting around and your body really needs this little mollecule of oxygen that's attached to the hemoglobin...well, the environment way down there is very different than it was up in your lungs and suddenly, due to this change, the chemistry and physical shape of the hemoglobing mollecule change and suddenly, it doesn't like Oxygen any more. Now it really wants CO2, ao it dumps off the O2 and hooks up with a CO2 and the blood stream carries it along again and it goes back up to your lungs. When it gets back up there, the environment makes it hat CO2 and want O2 and so it drops the CO2, which comes out when you exhale, and it grabs an O2 to carry along down to somewhere else that needs it. Isn't that completely and totally awesome? I mean, it's really just miraculaous and amazing. Don't you just LOVE science???

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