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Oxygen Transport


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Description: Oxygen Transport
User: sheekshampoo
Duration: 3.8 Min
Tags: Oxygen
View count: 267539
Rating: 4.828125 (256 ratings)
Added: 2007-12-27
  Comments
Aaargh... eyes! TWICE.
      - ahlussunnahwj
u savd my life god bless!
      - draotic
there is something about the guy's voice - it's just blah blah blah - you don't suppose he is just hand reciting perfectly as opposed to knowledgeable soul with excited insight?? silly people don't know that all that hesitation voice waves and breathe pauses is what makes it so much easier to understand
      - GoldenBudgiesRule
Heme structure is wrong. It is attached to the protein via a histidine ligated to the iron, not these two 'sticks' that eminate from the edge of the heme. And what does "iron containing pigment" mean? Its the heme porphyrin structure that is the pigment NOT the iron!! Goes to show that you cannot entirely believe even professionally produced stuff like this. Otherwise not bad.
      - sxureedb
yeah... the graph's ok, but forgot to mention that both oxihemoglobin and carboxihemoglobin are unstable compounds, so the oxigen will be released into the tissues...oh and also the gas exchange in the lungs (O2 and CO2) we die from prolonged exposure to carbon monoxide because the CO and the hemoglobin forms an stable compound, that doesn't "break up", so the gas exchange doesn't happen and the body will be deprived of oxigen, eventually pass out and die sorry if i made any grammar mistakes
      - cossmmynn665
Read Remaining Comments
Thank you.
      - muktid

Just imagining the immense amount of Heme in your body as of right now is insane.
      - pseudohippie55

@lostdreamz901 And I'm studying chiropractic; it's like medicine, only that you don't have to be THAT smart! xD
      - NorwegianBastard

@NorwegianBastard Oh yeah I know it, I'm studying medicine :P
      - lostdreamz901

@lostdreamz901 Yes, that is true - but the purpose of this video, I believe, is to explain the oxygen transport of the hemoglobin in an approach that is simple and short in order to enable better understanding for those who do not have a background education within healthcare professions, science or biology. The details, which you have a listed a few of in your comment, are available in various textbooks of physiology.
      - NorwegianBastard

@NorwegianBastard no, it doesn't say a lot. It doesn't talk about: 1) hybridation of Fe+2 when is bind with O2 or not 2) effect of 2,3 BPG and so neonathal hemoglobin 3) effect of proton in capillaries 4) effect of cooperativity, models of Monod-Wyman-Changeux or of Koshland 5) proximal and distal hystidine 6) how imidazolic hystidine of Hb concurs in trasport of HCO3- 7) and so many other things...
      - lostdreamz901

@smilesnblues Use Google and search 'oxygen transport, physiology, cardiovascular system, etc.'
      - NorwegianBastard

@NorwegianBastard huh suggest me a good book then
      - smilesnblues

@smilesnblues Read a book, then.
      - NorwegianBastard

@Okeaola What do you mean? It says that when the partial pressure of carbondioxide in surrounding tissues is high, which means that there are loads of CO2 in the blood and the tissues surrounding the capillaries, the oxygen molecules will be released from the heme in the RBC and diffuse into the O2 deficient tissues. It says a lot of CO2 in this video, not just doesn't mention CO2 outright, since hemoglobin is utilized as a O2 delivery system.
      - NorwegianBastard

needs to be more detailed
      - smilesnblues

very helpful! im taking the dreaded MCAS test 2morrow and i understand oxygen transportation now, thank you
      - sammynick04

Very good for the focussed discussion of intended instruction
      - GandhiLover

@usefulstuf schizoid affective conspiracy delusion
      - GandhiLover

Thank you very much
      - MultiYerick

this video doesn't make any sense to me.
      - kevin271311

@Okeaola hehe thats because its called ' oxygen transport '
      - coconutsaregood

no fucking idea what he was talking about but looked SO AWSOME
      - superspine113

good video. thanks
      - tricia618

There is a problem with the color photos of the JFK limo in the Washington DC garage. The rear seat shows a RED blood smear. That is a huge oxidation problem. In this universe, during the time from the Elm St conspiracy murder to the garage pictures, the limo blood can not still be RED. But it is. The RED lie is smeared over previous dried DARK blood stains on the seat. No dark seat stains before Dallas. Most of the blood was wiped off in Dallas. They added RED blood to alter investigations.
      - usefulstuf


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