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story of rbcb
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- Meee too!!
- Mr. Jo I'm still clueless!
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- I can help. Wait one sec.
- RBCs?
- And I'm Dave!!
- AHHHHH! Whoa, wait, what are you?
- I'm John, what are you doing here Rebel?
- Hi! I'm Pete and we're not guys we are RBCs!
- Hello, I'm Rebel Sue. Yes, RBC stands for Red Blood Cells
- Stop messing around!
- See when you are born you come here. We are born in your blood vessels stacked like sardines.
- Do fish have nine lives? He'll never stop messing around!
- What are we doing here?
- No but do you know there's an actual Captain America?
- Who are you?
- I am Captain Dave, and I am here to save you!!
- John: We have been talking about Red Blood Cells all day and I'm still unsure of what they do and how they work. Mr. Jo: I can help you all understand better. Let me call my friend Rebel, she'll explain it a lot better.
- What happens next?
- How about no! Can we please finish telling our life story!!
- There's about one billion molecules of the oxygen-binding protein hemoglobin.
- AHHHHH! Whoa, wait, what are you? Hi! I'm Pete and we're not guys we are RBCs! RBCs? Hello, I'm Rebel Sue.Yes, RBC stands for Red Blood Cells. And I'm Dave!! I'm John, what are you doing here Rebel? Glad you asked we will be taking you on a tour of what we do in your body.
- To be honest all of this is a little weird!! I'm talking to red blood cells.
- Just picture this as a spleen after time we become trapped.
- Who said that?
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- It was weird that we kept teleporting from place to place.
- SHHHHH!
- PlateletsParty!!
- Thanks Mr. Jo it all makes sense.
- Red blood cells are flattened, donut-shaped cell that is concave on both sides. They measure only about 7.5 μm in diameter, 2.5 μm in width, and only live for about 100-120 days. It's about 250 billion of us born every day. Hematopoiesis is the process that produces the formed elements in blood. It also occurs in the red bone marrow where they are born and houses the cells. Which they all are formed elements arise called the hematopoietic stem cells.
- I would have to agree.
- Who would have thought so many RBCs existed.
- Right!!
- Ribosomes reject the remaining organelles by exocytosis and they enter the bloodstream by squeezing through large pores in the sinusoidal capillaries in the bone marrow. Reticulocytes are found in the blood and are able to bind and transport oxygen on their hemoglobin.As RBCs age, their plasma membranes become less flexible which makes their passage through tiny capillaries more difficult.
- I want a cool cape now!
- Erythrocytes become trapped in the sinusoids of the spleen and macrophages digest RBCs. Hemoglobin is broken down into amino acids, iron ions, and bilirubin. Iron ions and amino acids are recycled and used to make new hemoglobin in the red bone marrow. Bilirubin is sent to the liver where it is ejected in feces and urine.
- UMM.. NO ONE!
- Wait. No one find it weird that Rebel is floating?
- Erythrocytes are transported all through our bodies. Now that you all have a better understanding. Does anyone have questions? No.. Plate-let's party!!!
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- This is so amazing!
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