Describing the cellular components of blood
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Describing the cellular components of blood
Question 2: Life depends upon special properties of water. Describe how living things depend on a particular property of water. What would happen if water did not have this property?
Answer 2:
*It is just a short essay on water its properties and should be answered in its entirety. I have included an example as well so look at that for help. This should relate to microbiology in a way because this is for a microbiology class. I am attaching a rubric as well.
Question: Describe the cellular components of blood. What is the function of each of the different components? How do they function to maintain homeostasis?Answer: The human body contains about 5L of blood. Blood consists of about 55% plasma. Plasma is about 90% water and the other 10% contains proteins, salts, O2, CO2, nutrients, wastes and hormones that need to be transported throughout the body. The other 45% of blood contains different components that function in helping the body maintain a homeostatic state. These components include red blood cells, white blood cells, and platelets.
One component of the blood is red blood cells which are also called erythrocytes. They contain carbohydrate molecules of their surface that determine the blood type of the individual which includes type A, B, AB, or O. Each cell also contains about 250 million molecules of hemoglobin. Hemoglobin is a protein that contains iron which transports oxygen throughout the body. Red blood cells are disk-shaped with an indention in the middle to increase surface area for gas exchange. They have more room to carry the hemoglobin proteins because they do not have nuclei and organelles. Oxygen diffuses into red blood cells by binding to the hemoglobin proteins as they pass through the capillary beds in the lungs and is diffuses out of the cells in the capillaries of the systemic circuit.
An adequate amount of red blood cells are vital to the body in order to maintain a homeostatic state. Too low amounts of red blood cells or the hemoglobin protein that they carry can cause serious conditions such as anemia. Anemia causes a person to feel fatigued because their body cells are not receiving and adequate amount of oxygen. Anemia is can result from blood loss, vitamin or mineral deficiencies, cancers, and a hemoglobin gene mutation.
Another important component in the blood is white blood cells which are also called leucocytes. They contain nuclei and organelles but do not contain the hemoglobin protein like red blood cells. White blood cells are important in helping the body maintain its homeostatic state. They can fight infections and cancer in the body. White blood cells can be found in the interstitial fluid where many infections are combated, as well as in the circulatory system. The amount of white blood cells increases when there is an infection present.
The last component in blood is platelets which are also called thrombocytes. Platelets are fragments of cytoplasm from larger cells in bone marrow. They also aid in keeping the body in a homeostatic state by forming blood clots when the epithelium lining a blood vessel gets damaged. Platelets attach to the damaged vessel and form a cluster that will seal a minor injury. They also discharge clotting factors that can convert fibrinogen protein in blood plasma into fibrin protein that forms a clot also known as a scab on the skin. It is important that platelets function properly because the body needs to be able clot in order to maintain a homeostatic state. Hemophilia is caused by mutations in genes that make clotting factors. Hemophilia is serious disease because a person can bleed to death from a minor injury. Too much blood clotting can cause a thrombus blood clot that can turn into an embolus clot if it lodges in an artery and can cause a heart attack or stroke.
The knowledge of what components are in blood and how they function to maintain a homeostatic state will aid me when I am a healthcare professional. If I had a patient that was diagnosed with sickle-cell disease I would be able to explain their condition to them. Sickle cell disease causes red blood cells become crescent-shaped, instead of their normal disk-shape with an indention in the middle. This shape results from mutation of hemoglobin chains in red blood cells. The mutated hemoglobin molecules cannot be oxygenated properly in the capillaries of the lungs and deoxygenated properly in the capillaries of the systemic circuit. This results in a low oxygen concentration in the blood causing the sickle shape. The sickle-shape disrupts the red blood cells function so the body is not able to maintain a homeostatic state. Sickle cell disease can cause serious problems throughout the body because the abnormal red blood cells can block blood vessels or can damage the body’s organs due to their shape.
Describing the cellular components of blood
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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