The main blood vessels are the following: Aorta. The aorta is the largest and principal artery in the body. From the aorta branches lead to all the organs of the body‚ supplying them with oxygen and nutrients. Coronary Artery. The coronary artery is also a branch of the aorta. It supplies the heart tissue with oxygen and nutrients. Pulmonary Artery. The pulmonary artery arises from the right-hand upper corner of the roght ventricle. It branches into the left and right pulmonary arteries which lead
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haem (iron is shown in red). Images from Haemoglobin‚ BioNet Erythrocytes‚ also known as ‘Red Blood Cells’‚ is one of the cells in our body that makes our blood. Erythrocytes are supported by many of other components in making blood. They are a disk shaped a cell which are filled with an iron contain pigment called haemoglobin . Haemoglobin is what makes blood red by strongly binding itself to oxygen and carbon monoxide. Our blood circulates around are body bringing us the oxygen which is bound to
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Have you ever wondered why is there so much "empty space" in space if there are no other intelligent beings we can communicate with? If this would be true‚ the whole universe would be a complete waste since humans will never be able to explore not one percent of it. Also‚ there is so much evidence about aliens‚ so many sightings and encounters that it is very hard to disprove them all. If the theory of evolution is taken into consideration‚ the possibilities of intelligent life forming only on Earth
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ABC‚ 123: The Impact of a Mobile Phone Literacy Program on Educational Outcomes Jenny C. Aker‚ Christopher Ksoll and Travis J. Lybbert Abstract We report the results from a randomized evaluation of a mobile phone education program (Project ABC) in Niger‚ in which adult students learned how to use mobile phones as part of a literacy and numeracy class. Overall‚ students demonstrated substantial improvements in literacy and numeracy test scores‚ suggesting that the adult literacy curriculum is effective
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Don DeLillo’s novel‚ White Noise‚ follows Jack Gladney‚ his wife Babette‚ and their obsession with their own deaths. Although Jack and Babette do not share any children among the two of them‚ they have four children from previous relationships and marriages that bring the household together as one family. The family in this novel live relatively normal lives until an airborne toxin event infects their town‚ and they must be evacuated. Eventually‚ the family is allowed to return to their home and
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White Noise: The Sounds That Keep us Sane White Noise follows Jack‚ a man who teaches Hitler studies and has a house full of children between him and his wife. The first part of the book‚ Waves and Radiation‚ introduces Jack’s family and his strange friend‚ Murray. We gain insight into the daily lives of the various characters‚ the relationship Jack carries with each of his children and his wife‚ Babette. While you’re reading the first part of the book‚ DeLillo gives you the sense that Jack is
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Empty nest syndrome refers to the experience that parents endure such as‚ sadness‚ depression‚ or grief when their children come to the age to leave their childhood home. This may transpire when children get married or attend college. Men are less likely than women to be affected. This may be due to the fact that when children leave the home; mothers are undergoing considerable life events in addition‚ for example caring for elderly parents or menopause. Nonetheless‚ men may experience comparable
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Jennifer Rios Negative Effects of Noise Pollution Technological progress has brought humanity numerous benefits. All types of devices and gadgets allow people to save time‚ work more efficiently and stay in touch with the rest of the world. However‚ there is also a flip side. Growing industry‚ an increasing number of vehicles and constant information overload causes a significant and underestimated problem – noise pollution. The term‚ noise pollution‚ is used to define unwanted sounds that are
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THE PROBLEM AND ITS BACKGROUND I. Introduction The word "noise" is derived from the Latin word "nausea" meaning seasickness. Noise can be defined as an unwanted or undesired sound. Decibel is the standard unit for measurement of sound. Usually 80 db is the level at which sound becomes physically painful. With overly populated schools and the increase of average classroom sizes‚ many students suffer from noise pollutants that can be found inside and nearby from their schools
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used to transport the methane from the flash vessel will not cause the methane to rise above this design temperature. The expected surge pressure from of the 15 atm storage pressure is 16.5 atm. This will be taken as the operating pressure throughout the design. As the actual pressure inside the vessel will be is 0.979 from SOURCE. The total volume of the daily quantity of methane at the specified conditions is calculated below. However the vessels must not fall below 0 gauge pressure inside
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