Red+Blood+Cells+-+RG

=Introduction=

toc You’ve probably seen a UPS truck or Fed ex truck in your neighborhood dropping off a package to your neighbor. You’ve also probably heard of body cells like red blood cells and white blood cells. Red blood cells are the UPS/Fed ex of your body. All cells are important but red blood cells are one of the most important cells in the body. They are the reason why we have energy to do basic tasks like walking.

=The UPS of Your Body= Red blood cells are the most common cell in your body. Red blood cells are like a delivery truck, they transport oxygen to all of the cells in your body. Red Blood Cells pick up oxygen from the lungs and then deliver them to all of the cells in your body. According to the book “Human Biology and health” by science explorer Red Blood Cells follow a route when they are dropping off oxygen. First the blood goes to the lungs to get oxygen. Then they go back to the heart and immediately come back out of the heart and goes and drops off the oxygen to all of the cells in the body for energy. However dropping off oxygen isn't red blood cells only job. Body cells give back carbon dioxide which is waste and what we exhale. Then the cycle starts all over again. We need oxygen for energy so Red Blood Cells play a very important role in the body. =The Parts of a Red Blood Cell= The hemoglobin one of the main parts of a red blood cell and is the protein inside the red blood cell and also carries the oxygen. Almost all cells have nucleus. Red blood cells however do not have a nucleus because the majority of a red blood cell is the hemoglobin. Since we don't have a nucleus there is much more room for oxygen. 2 million red blood cells die every second, this sounds bad but 2 million red blood cells are produced every second too Red blood cells are produced in the bone. Flexible plasm membrane is a part of a red blood cell allows red blood cells to squeeze through capillaries as small as 3mm wide. The membrane consists of a complex ordered array of lipids and proteins stretched over the outer surface of the cell. =How Sickle Cell Anemia Effects Your Body=

Sickle Cell Anemia is a disease that you are born with. You get the disease if both of your parents have it. Sickle cell Anemia changes the shape of red blood cells. Because of this it Cannot get to all of the places it needs to get to which means some of the cells our body aren't getting oxygen. We need oxygen more than anything, it gives us energy to do basic tasks. With our regular red blood cells they have flexible plasm membrane which allows red blood cells to squeeze through capillaries as small as 3 mm wide. However with sickle cell Anemia, they don't have this.

=Conclusion= From what you have learned do you think that red blood cells are the most important cell in your body? I think so because we need oxygen more than anything else on this earth and red blood cells are the cells that putting the oxygen to use in our body. No oxygen, no life. It's amazing, we are always breathing, and it's amazing what happens when the oxygen enters our body. The red blood cells picks up the oxygen and delivers it to all of the body cells and then the cells gives back carbon dioxide which is what we exhale. This all happens in about a second and it's amazing what red blood cells do. I think this is one of the most interesting and important cell in the human body. =Sources= Corcoran, Mary K. //The Circulatory Story //. Watertown, Charlesbridge, 2010

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