The cardiovascular system‚ also known as the circulatory system‚ is composed of the heart‚ blood vessels‚ and blood. The term cardiovascular refers to the heart (cardio-) and blood vessels (vascular). The term circulatory refers to the circulation of the blood. The heart is a muscular pump and its regular contractions send blood into tough‚ elastic tubes called arteries‚ which branch into smaller vessels and convey oxygen-rich blood through the body. The arteries eventually divide into tiny capillaries
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Introduction to Human Skeletal System: Skeletal system is the system of bones‚ associated cartilages and joints of human body. Together these structures form the human skeleton. Skeleton can be defined as the hard framework of human body around which the entire body is built. Almost all the hard parts of human body are components of human skeletal system. Joints are very important because they make the hard and rigid skeleton allow different types of movements at different locations. If the skeleton
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1. Overlooking the purpose of the ERP system. 2. Lack of commitment from top management. 3. Poor ERP system selection. 4. Poor project management. 5. Inaccurate data. 6. Ignoring user reluctance for new applications. 7. IT staff implementation issues. 8. Unrealistic expectations. The CEO must be the custodian of ERP debate over who should serve as guardian over an organisation’s ERP can be settled with one answer - the Chief Executive Officer. My ERP is not integrated
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The Digestive System Why is it that 1 in 3 people perhaps even more regularly battles some kind of digestion problems? Understanding how the digestive system works will help to understand why digestive problems are so common. The digestive system is more than stomach and intestines. It is a system of organs that turns food into energy and is one of the most important functions the body performs. There are many reasons that cause so many people to suffer with digestive problems. Three of
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The Excretory System The importance of the excretory system The excretory system involves a process which removes unwanted products from the body’s chemistry. In general‚ excretion is the process of separating wastes from the body fluids and eliminating them. Examples include the removal of carbon dioxide in the air we exhale‚ and unwanted nitrogen in sweat‚ nails and hair. Explain the various methods of excretion in the human body There are four (4) organ systems which are responsible
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Operating System UNIT - 1 Roadmap • What is an Operating System? • • • • • • • • Operating System Objectives/Functions The Evolution of Operating Systems Major Achievements Structuring methods Design of API’s Interrupts Device Organization User/System state Transition What is an Operating System? • A program that acts as an intermediary between a user of a computer and the computer hardware. OR • A program that controls the execution of application programs. • Kernel – the one program
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Discovery Guides Why Not the Sun? Advantages of and Problems with Solar Energy by Ethan Goffman I’d put my money on the sun and solar energy. What a source of power! I hope we don’t have to wait until oil and coal run out before we tackle that. – Thomas Alva Edison‚ 1931 The oil embargo of the 1970s prompted a national surge of interest in solar energy. A solar water heater was installed in the White House‚ and photovoltaic panels first came into play‚ notably in California. While previously
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22 Respiratory System The Respiratory System Respiratory System Consists of the respiratory and conducting zones Respiratory zone: Site of gas exchange Consists of bronchioles‚ alveolar ducts‚ and alveoli Respiratory System Conducting zone: Conduits for air to reach the sites of gas exchange Includes all other respiratory structures (e.g.‚ nose‚ nasal cavity‚ pharynx‚ trachea) Respiratory muscles – diaphragm and other muscles that promote ventilation Major Functions of the Respiratory
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distributed system. (4mks) Access Transparency: Clients should be unaware of the distribution of the files. The files could be present on a totally different set of servers which are physically distant apart and a single set of operations should be provided to access these remote as well as the local files. Applications written for the local file should be able to be executed even for the remote files. The examples illustrating this property are the File system in Network File System (NFS)‚ SQL queries
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The Urinary System is a group of organs in the body concerned with filtering out excess fluid and other substances from the bloodstream. The substances are filtered out from the body in the form of urine. Urine is a liquid produced by the kidneys‚ collected in the bladder and excreted through the urethra. Urine is used to extract excess minerals or vitamins as well as blood corpuscles from the body. The Urinary organs include the kidneys‚ ureters‚ bladder‚ and urethra. The Urinary system works with
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