BLOOD 1. The important components of blood include plasma‚ erythrocytes‚ and leukocytes. Red blood cells or erythrocytes account for 45 % of the blood. Leukocytes or white blood cells‚ aid in protecting the body from disease as well as platelets. Platelets function to inhibit excessive bleeding from the body. The plasma layer is another layer that constitutes the majority of blood. 2. The Plasma is straw coloured. It has 90% water‚ 7%proteins and 3% other substances. The Plasma protects the
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Saving a Life: Blood Donation Deana Taylor February 8‚ 2013 I. Introduction A. Attention-Getter- Merriam-Webster Dictionary defines blood as‚ “the fluid that circulates in the heart‚ arteries‚ capillaries‚ and veins of a vertebrate animal carrying nourishment and oxygen to and bringing away waste products from all parts of the body.” Blood is the essence of life itself created in our own bodies in the bone marrow. B. Blood donation is a relatively simple process that can save lives
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Bloodstain pattern analysis is the interpretation of bloodstains at a crime scene in order to recreate the actions that caused the bloodshed. Blood spatter analysis can tell the distance from the source of the blood to the pattern‚ the direction from which the blood impacted‚ the speed the droplet was traveling‚ the location of the point of origin‚ and even the movement of a bleeding individual throughout the scene. There are three basic types of bloodstains. The first type of bloodstains are passive
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PHYSIO EX 1 Simulating Dialysis (Simple Diffusion) 1. Describe two variables that affect the rate of diffusion. The temperature of the solutions and the difference in concentration of the ion or molecule between the sides of the membrane 2. Why do you think the urea was not able to diffuse through the 20 MWCO membrane? How well did the results compare with your prediction? Since the chemical formula for urea is (NH2)2CO and its molecular weight is about 60. It will not diffuse through the
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Blood Transfusion is commonly being ordered to patients who lost a great deal of blood due to a diseasecondition or an accident. It can also be ordered by the physician if the patient is to undergo an operation that would involve considerable blood loss. The following is a step-by-step checklist of things to do and other responsibilities to ensure proper blood transfusion and prevent any unwanted reactions and errors. 1. Verify the physician’s written order and make a treatment card according
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Blood Components Normally‚ 7-8% of human body weight is from blood. In adults‚ this amounts to 4.5-6 quarts of blood. This essential fluid carries out the critical functions of transporting oxygen and nutrients to our cells and getting rid of carbon dioxide‚ ammonia‚ and other waste products. In addition‚ it plays a vital role in our immune system and in maintaining a relatively constant body temperature. Blood is a highly specialized tissue composed of more than 4‚000 different kinds of
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the main components of blood. By Jason T Morrison. Blood‚ what an amazing substance. It has only been since being set this task by one of my tutors‚ Dr C Dublon that I have truly realised how amazing blood really is. Blood is not as some people may think just made up of one component‚ but many different components working together in an almost symbiotic relationship. The average human being carries approximately five litres of blood‚ which is equivalent to about 8% of their body weight.
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To begin Chapter Eight‚ Bruno starts to describe his grandparents‚ and how dearly he misses them. He tells of how they live together in a small flat near the fruit and vegetable stalls. Being a young boy‚ Bruno thinks that his seventy-three year old grandfather is “as far as [he] was concerned‚ [ . . . ] about the oldest man in the world.” Bruningo discovers that if he multiplies his age eight times‚ he would still be a year younger than Grandfather. Grandfather owns a restaurant where his friend
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Full Blood Count is a test used to evaluate the composition and concentration of the cellular components of blood such as red blood cells‚ white blood cells‚ platelets‚ etc. The abnormality it could identify are anaemia which means that there are less red blood cells or less haemoglobin in red blood cells than normal; polycythaemia which means there are too many red blood cells due to various causes; leucopoenia which means there are too few white cells due to various causes; leucocytosis which
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Blood Clots What are blood clots? Blood is a liquid that flows within blood vessels. It is constantly in motion as the heart pumps blood through arteries to the different organs and cells of the body. The blood is returned back to the heart by the veins. Veins are squeezed when muscles in the body contract and push the blood back to the heart. Blood clotting is an important mechanism to help the body repair injured blood vessels. Blood consists of: · red blood cells containing hemoglobin that
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