to talk to you about the importance of donating blood. Some of you may know a friend or even a family member who has received blood at some time. I for one have received blood and I often wonder who took the time to donate it. According to the Journal of American Medical Association‚ it is noted that just 1 pint of blood can save three lives. Why You Should Give Giving blood does not just benefit recipients. Regardless of age‚ donating blood offers many benefits for donors. It lets you:
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Blood Composition. The following are components of blood - red blood cells‚ white blood cells‚ platelets and plasma (the liquid component). Red blood cells are the pinky white circles‚ the white blood cells are the big red blobs. Red blood cells do not have a nucleus because they do not divide and multiply Red blood cells are bi-concave‚ they are donut shaped. Red blood cells contain a pigment called haemoglobin which can react with oxygen to form the unstable compound‚ oxy-haemoglobin. Hb+4O2
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Hormones can react to increase blood pressure when it becomes low‚ the sympathetic division of the autonomic nervous system uses several ways to temporarily increase blood pressure when it has dropped for example during the fight or flight response. During the response‚ the sympathetic division is needed to stimulate the adrenal glands to release the hormones epinephrine and norepineprine which stimulate the heart to beat faster and for blood to flow more forcefully‚ this effect makes most of the
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MANUAL BLOOD PRESSURE ASSESSMENT TECHNIQUE 2 Abstract: Taking a blood pressure reading is very important in the medical field. It is a way to detect cardiovascular health and treatment effectiveness. Blood pressure readings are one of the most popular tests being done in the healthcare setting. Recording a blood pressure consists of a number of steps‚ which were recently revised by the American Heart Association in the past few years. Because of the endless amount of misled readings and
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and my blood came into view. I felt horrified when the doctor squeezed my finger and I saw my own blood smear onto my skin. Immediately‚ I sensed that I would never outgrow my fear of blood. My imagination overpowered my reasoning at such a young age; my first experience with a piercing needle made me think that I could never handle blood and would always squeamishly tremble at its sight. Although I have always wanted to help those in need‚ I repeatedly rejected the idea to ever donate blood during
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Blood Cells Leukocytes (WBC’s) Leukocytes also known as white blood cells (WBCs) are cells which play a defensive roll in the body against injury and infection. They migrate towards tissues where they are needed and become functional performing various activities. WBCs can be divided into 2 groups: Polymorphonuclear granulocytes and mononuclear agranulocytes. Both types are spherical while suspended in blood plasma but when they invade tissues after leaving the blood vessels they become amoeboid
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Blood a journey through the body. You might find yourself asking‚ what does blood have to do with digestion‚ respiration and circulation? Hopefully‚ after the presentation all of your questions will be answered. When a person thinks of digestion they usually think about what happens in the stomach. A lot has happened to digest the food way before it gets to the stomach. It starts in the mouth or oral cavity. It is a process called mechanical digestion. First‚ Mastication begins. Mastication
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Drawing blood is not as challenging as you may think. When I started my job at the hospital‚ I had no previous experience in drawing blood. They put me through a training that lasted about five days‚ eight hours per day. There are many simple steps to drawing someones blood. The three biggest steps are waiting for a requisition to print off‚ preparing all of your equipment‚ and finally draw the blood. Step one is to get the requisition and take it into the patients room‚ you use this to verify
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Character Analysis: Hazel Grace Imagine waking up and feeling like someone was drowning you‚ holding your throat so you couldn’t breathe. In the book‚ “The Fault in Our Stars” by John Green‚ that is a very well-known feeling for 16 year old Hazel Grace. Hazel has Stage 4 Thyroid cancer‚ incurable and leaving her body to slowly deteriorate. She lives her daily life watching reruns of television shows and not caring if her short pixie cut hair is brushed or if her oversized clothes are
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The issue of blood sports has been gradually becoming significant over the past years‚ where influences have been seen in animals. Some advocate that blood sports should be banned‚ whereas some oppose to the idea. It appears that blood sports are considered to be popular activities in a number of places‚ which represents that some population enjoy this particular sport for several reasons. Rumour has it that blood sport is one way to bring excitement to life for both the contestants and audience
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