lens to produce magnified images that are too small to seen by unaided eye. Microscope provides the enlarged view that helps in examining and analyzing the image. Through the use of microscope ‚ knowledge of cell structure was gained and one of the fundamental theories of biology‚ the Cell Theory was developed. The function of any microscope is to enhance resolution. The microscope is used to create an enlarged view of an object such that we can observe details not otherwise possible with
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Their blood is almost transparent because of the lack of red blood cells‚ and they are the only vertebrate that does not have circulating hemoglobin. Those organisms are referred to as Ice fish‚ and they are one of the unique organism that live in Southern Ocean around Antarctica and Southern South America‚ where water temperatures remain relatively stable. Hemoglobin is a protein within mammalian red blood cells that transports oxygen for delivery to tissues throughout the body. Having red blood
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releases Oxygen to the body via the blood circulation. Hemoglobin is made of 4 polypeptide chains with each chain containing an iron-heme structure that contains the oxygen-binding site. Each hemoglobin molecule twists a polypeptide chain into a helical secondary structure. The helices drape around the heme group and form into a tertiary structure subunit. The four subunits are packed into a globular quaternary protein structure. The iron-heme structures give the red color to hemoglobin. Each hemoglobin
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White blood cell that does not stain intensely with either alkaline or acidic dye. a. lymphocyte b. basophil c. neutrophil d. eosinophil Blood has all of the following functions except to: a. Transport carbon dioxide and waste from the cells for elimination from the body b. Maintain a constant environment for other living tissue c. Transport hormones d. Regulate respiration Hemochromatosis is characterized by: a. A general increase in red blood cells b. Multiple pinpoint hemorrhages
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Beta Thalassemia Beta thalassemia is an inherited blood disorder characterized by the abnormal production of a blood protein called hemoglobin. This condition is caused by a mutation within the gene that is responsible for the healthy production of hemoglobin. In healthy people‚ hemoglobin carries oxygen to tissues and cells throughout the body. Patients with beta thalassemia do not have adequate levels of oxygen within the blood‚ which can cause anemia. There are two main types of beta thalassemia
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References: Burch‚ D. (2011). Blood sports. Natural History 119(6)‚ 14-16. Eichner‚ E. (2007). Blood doping. Sports Medicine‚ 37(4/5)‚ 389-391. Kenney‚ L.W.‚ Wilmore‚ J.H.‚ & Costill‚ D.L. (2012). Physiology of sport and exercise (5th ed.). Champaign‚ IL: Human Kinetics Mackenzie‚ B (2001) Mottram‚ D. R. (2011)
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edu/pubs/foodnut/09312.html Dietary Supplements. WebMd. (2013). Retrieved from http://www.webmd.com/food-recipes/tc/dietary-supplements-topic-overview FDA Dietary Supplements (2014) http://www.fda.gov/Food/DietarySupplements/default.htm Sickle cell anemia. National heart‚ Lung‚ and Blood Institute. (2012). Retrieved from http://www.nhlbi.nih.gov/health/health-topics/topics/sca/
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Iron deficient anemia is a decreased total iron body content. It occurs when iron deficiency is severe enough to lower the amount of red blood cells being formed and it causes the development of anemia. It is the most common deficiency in the world. Hemorrhages can also cause anemia and much greater problems. Bleeding can also be so slow that it is often overlooked. Iron is a necessity for all living organisms because it is needed for many processes. Iron levels are carefully regulated by
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HbG is the primary constituent of red blood cell cytoplasm and transports oxygen from the lungs to the tissues and then returns carbon dioxide to the lungs. HbG can be used to diagnose or monitor a number of conditions. Anemia is one of those conditions. List required reagents: Drabkins Solution is the reagent that is required for HgB. Drabkins reagent composed of potassium cyanide and potassium ferricyanide. The reagent is used to lyse red cells and convert hemoglobin to cyanmethemoglobin
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elements start and finish their development in bone marrow. 3. Erythropoiesis is the specific production of red blood cells. Negative feedback increases red blood cell production‚ but if the stimulus disrupts homeostasis then in decreases red blood cell production. 4. If a person with type B blood is given a transfusion of type O blood it wouldn’t affect them at all because Type O blood is the universal donor and can be given to people with type A‚ B‚ AB‚ and O because it doesn’t have A or B
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