companies (or their successors) that were created as a result of the breakup of American Telephone and Telegraph Company (AT&T‚ known also as the Bell System or "Ma Bell") by a U.S. Federal Court consent decree on December 31‚ 1983. The seven original regional Bell operating companies were Ameritech‚ Bell Atlantic‚ BellSouth‚ NYNEX‚ Pacific Bell‚ Southwestern Bell‚ and US WEST. RBOCs are generally in competition for digital data and Internet traffic with wireless service providers and cable TV companies
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DIGESTIVE SYSTEM Digestion is a process of breaking down complex food molecules into simple ones‚ suitable for absorption and their subsequent utilization in our body PURPOSE to convert complex food molecules into simpler ones‚ suitable for absorption and utilization production of energy‚ necessary for survival & vital chemical activity growth & development of the body repairing function reproductive function lactation FUNCTION to keep the
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UNIT ONE: the digestive system Digestion breaks down larger molecules into smaller ones. Mouth. Oesophagus is the tube that takes food from the mouth to the stomach using waves of muscle contractions called Peristalsis. Mucus is secreted from the tissues to lubricate the foods passage. Mouth. Oesophagus is the tube that takes food from the mouth to the stomach using waves of muscle contractions called Peristalsis. Mucus is secreted from the tissues to lubricate the foods passage. Many
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Sound of the Freedom- The Liberty Bell Figure 1 Liberty Bell Forever Stamp Figure 1 Liberty Bell Forever Stamp Meaning can be found even in the most mundane of objects. For instance‚ consider the USA First Class stamp. On its upper left corner‚ the number 2008 shows that this stamp was produced in year 2008. The right side of the stamp says “USA FIRST-CLASSS FOREVER”‚ meaning that this postage stamp is valid for First-Class
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RESPIRATORY SYSTEM Respiration (processes) 1. Ventilation and breathing‚ which is the movement of air into and out of the lungs 2. Exchange of oxygen and carbon dioxide between the air in the lungs and the blood 3. Transport of oxygen and carbon dioxide between the blood and tissues 4. Exchange of oxygen and carbon dioxide between the blood and tissues. Function 1. Regulation of blood pH 2. Voice production 3. Olfaction 4. Innate immunity ANATOMY OF THE RESPIRATORY SYSTEM A. Upper respiratory
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11/7/2011 CHAPTER 18 ENDOCRINE SYSTEM Identify the endocrine glands and their hormones. Gain an understanding of the functions of these hormones in the body. Analyze medical terms related to the endocrine glands and their hormones. Identify abnormal conditions resulting from excessive and deficient secretions of the endocrine glands. Describe laboratory tests and clinical procedures related to endocrinology‚ and recognize relevant abbreviations. Apply your new knowledge
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Complete information on the mechanism of Respiratory System in Man NIRMALA AGARWAL Respiratory organs are those which are concerned with the passage of the air to and from the lungs. The latter are‚ of course‚ mot important of all. The passage is also called respiratory tract. For the sake of convenience‚ the respiratory tract can be divided into upper and lower parts. The upper part extends from the external nostrils (external openings of nose) to the vocal sac present in the neck. The lower part
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The Muscular System: Contraction of Motor Units 1. Define a motor neuron:_____A single nerve cell that branches from the brain or the spinal cord to a muscle or a gland. 2. Define a motor unit: ___A motor neuron and all of the muscle fibers it stimulates. 3. The synapse between a motor neuron and the muscle it innervates is called a ____neuromuscular junction_______. 4. The stimulation of additional motor units will increase the strength of the contraction. This process is called
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limbs (humerus‚ radius‚ ulna‚ carpal‚ metacarpal‚ phalanges) and lower limbs ( femur‚ tibia‚ fibula‚ tarsal‚ metatarsals‚ phalanges). The joints and discs are between the bones. The bones are made up of 25% water and 75 % cells. 2) Urinary - The system that maintains and regulates the fluid balance in the body. It consists of 4 parts - kidneys‚ ureters‚ bladder and urethra. The kidneys have two main functions - secreting
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Analysis of ’The Bells’ by Edgar Allan Poe Human beings are bound to be affected by sound due to the sense of hearing. A listener can be emotionally stimulated by specific sounds‚ thereby being reminded of particular events associated with those sounds. The poem‚ ’The Bells’‚ deals with the concept of sound‚ its various effects and life and death. In order to illustrate this point‚ this essay will analyze the poem and examine the poetic devices used in it. Edgar Allan Poe’s poem is structured
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