Wednesday, January 22, 2014

The Life of the Red Blood Cell

Write a 2-3 paragraph description of what would it be like to be a RED BLOOD CELL in the human body.  If you were a RED BLOOD CELL, what would your day look like? What tasks would you have to accomplish? What would be your travel plans? Describe the entire flow of a RED BLOOD CELL within the circulatory system.  Remember to trace the flow through the heart, lungs, arteries, capillaries, and veins. View the following video clips to help you (press the following links):  VIDEO CLIP 1, VIDEO CLIP 2, VIDEO CLIP 3, and VIDEO CLIP 4.  Take notes as you view the short video clips and use any other resource.  Important: Remember to list your resources in your post.



15 comments:

  1. Red blood cells carry oxygen throughout the circulatory system. If I was a red blood cell I would need to travel the human body from the lungs to the rest of the human body. Adults have 20 to 30 trillion of these cells. My life span is 120 days but the human body keeps producing. My main purpose is to transport oxygen and carbon dioxide throughout the circulatory system. the reason I do this is because I contain a iron-containing protein called hemoglobin.it binds into oxygen. When oxygen and hemoglobin mix the cells like me turn bright red. When exposed threw a open cut the cells are exposed to atmospheric oxygen.once all the oxygen connects to the cells they collect carbon dioxide and other waste gases from the body and bring it back to the lungs then the process starts all over again.

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    1. Kathleen, you forgot your resources.....and that was only one paragraph. Sorry to say that though

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  2. Dear Johnny from the white blood cells,

    We might never visit each other from time to time, but as long as I can write to you-I'm fine. I know I can only live a few days more but I'll do my best to write everything I can before my 120-day lifespan is gone. Not 120 days but 32 days (88 passed by). But I don't know what to do during 32 days. All I ever do is carry oxygen and nutrients throughout the body. But if it wasn't for the chromosomes and enzymes and some others, I wouldn't be here. I thank them before I die. Anyway, my cousin Albireo says hi. And Christi sends you this gift wrapped inside the box.


    Life isn't easy here. To explain it: we, cells, go into the inferior and superior vena cava ----to------|> right atrium---------to-----|> right ventricle-----(using the pulmonary artery) to------|> lungs, so we can get a delivery of oxygen on us-----to---|>left atrium-------to-------|>Aorta and all over again. THAT is what I meant by "life isn't easy here". But your type, neutrophils ,basophils ,eosinophils ,lymphocytes ,monocytes and ,macrophages only live from 6 hours to a year. Just tell me which one you are before 32 days. We are all 20 to 30 million as the human above said. But that won't matter when I die.

    All I ever dreamed of was to marry Alicia, the love of my life. And to live close to the heart to show her how I feel about her- my love is pumping all day all night like the heart. But as I heard, marrying her would be IMPOSSIBLE, Justin and Joel and Jordan and 200 other boys in which one of those is about to expire-I heard. But that won't matter when Jordan takes her and lives inside the right atrium. But that also won't matter when I die. All that would matter is if the human race is still on.

    Sincerely,
    Samuel

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    1. I like what you did there with your post Abdul with the whole opinionated feel to it. You really showed What a red cell would do in various situations. You even added some up drama in there, which I don't really appreciate but it works I guess. Your doing awesome abdul, keep it up!

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    2. Abdul your story was very interesting acting as a (RBC) very smart. I would do what you did but that would be copying so I didn't. It was nice/smart to add the ending like that too.

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  3. While many view the circulatory system as simply a highway for blood — it is also known as the cardiovascular system — it is made up of three independent systems that work together: the heart (cardiovascular), lungs (pulmonary) and arteries, veins, coronary and portal vessels (systemic).

    I Think That The Daily Life Of a Red Blood Cell Would Be Traveling a lot. Don't the red blood cells help give blood to the heart.Red blood cells are undoubtedly the grafters of the cell world. Their sole mission in life is to rush around our blood vessels, making sure all of our organs and muscles are serviced with oxygen, whilst clearing out the mess we make during respiration. It’s no wonder we need so many of them: each cubic millimeter of blood contains about 5 million of the little fellows.
    Source(s): How Stuff Works

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  4. Red blood cells, via erythrocytes, are one of the most important and most common type of blood cell. The Red blood cell is so important because the principal of these cells are to deliver oxygen to the body tissues via blood flow through the circulatory system. the lungs/gills take up the oxygen and release it into tissues while it squeezes through the body's capillaries.

    If I was a Red blood cell my job would be a simple but long task. I would see other fellow Red blood cells carrying oxygen and bringing it to the tissues. This would be my traveling plans: First I would pick up my oxygen I carry daily and then walk quarter mile everyday. If I see a virus trying to sneak into a tissue I would try my best to do whatever I can even if i'm not suppose to.
    When a red blood cell (RBC) is subjected to an external flow, it is deformed by the hydrodynamic forces acting on its membrane. The resulting elastic tensions in the membrane play a key role in mechanotransduction and govern its rupture in the case of hemolysis. In this study, we analyze the motion and deformation of an RBC in a simple shear flow and the resulting elastic tensions on the membrane. The large deformation of the red blood cell is modelled by coupling a finite element method to solve the membrane mechanics and a boundary element method to solve the flows of the internal and external liquids. Depending on the capillary number Ca, ratio of the viscous to elastic forces, we observe three kinds of RBC motion: tumbling at low Ca, swinging at larger Ca, and breathing at the transitions. In the swinging regime, the region of the high principal tensions periodically oscillates, whereas that of the high isotropic tensions is almost unchanged. Due to the strain-hardening property of the membrane, the deformation is limited but the membrane tension increases monotonically with the capillary number. We have quantitatively compared our numerical results with former experimental results.

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  5. Dear white blood cells:

    My day has been the worst of all days. I had to walk for a long time, which I hate doing very much. However, it is my job to keep on going. Next stop, the capillaries!


    My journey has been long and hard but I have finally made it to the cappillaries. I can finally carry oxygen! Carrying oxygen is awesome. With co2, Its way to heavy and a germ almost made me fall with all of the co2. Now, oxygen is way lighter which makes it easier for me to continue my journey. Now, i'm going to the heart.

    I'm almost at the heart, and because of you, white blood cell, you have made my life a lot easier. I would like to thank you for that. I am at the heart, which is a weirder than just going straight. I have to go to the lungs from the right side of the heart, then back down on the left side and go through something called the aorta, which basically repeats the process of what I have been doing until I die in 180 days. Thank you white blood cells for protecting me!


    Sources: videos 1-4

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    1. Wow, I imagine myself doing everything you wrote

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  6. I think that being a red cell in the human body would be a lot of work. Even though there are thousands of other cells to help it's still a long process. In the first video it says that cells travels around the human body about 4000 times a day. Most people cant take 4000 steps a day. It gets even harder because you have to carry carbon dioxide through the body. Also this gets even harder as you age, like humans.
    It won't be swell to be a red blood cell because they don't live long. They live about 140 days and then die. Basically their purpose is to carry carbon dioxide through out the body and then when they are done they die. The job of these cells aren't easy but it is what must be done. That is if you want to live.

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  7. My opinion is that being a red cell in the human body would be a lot of work. Even though there are thousands of other cells to help it's still a long process. In the first video it says that cells travels around the human body about 4000 times a day. Most people cant take 4000 steps a day. It gets even harder because you have to carry carbon dioxide through the body.We wouldn't even be handle all that blood process how we go through the body . It should be hard to do that.

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  8. If i were a red blood cell my day would like i was in a race to carry oxygen to my body. If i didn't work 24/7 my body would probably die. White blood cells will have to protect me from germs. If we get infected with germs we die. So then the white blood cells have more work to do.

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