Stars A star is a massive‚ luminous sphere of plasma held together by gravity. The nearest star to Earth is the Sun‚ which is the source of most of the energy on the planet. Solar System The Solar System consists of the Sun and its planetary system of eight planets‚ their moons‚ and other non-stellar objects. It formed 4.6 billion years ago from the gravitational collapse of a giant molecular cloud. The vast majority of the system’s mass is in the Sun‚ with most of the remaining mass contained
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list system is a variation of party list proportional representation. In this system multiple candidates are elected through preferentially-ordered placements on an electoral list Each party makes lists of candidates to be elected‚ and the seats go to each party proportionately to the number of votes the party receives. Voters may vote directly for the party‚ like in Israel‚ or for the list of candidates‚ such as in Hong Kong. The ‘closed’ part of the name ‘closed regional list system’ means
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Reform of the Electoral System of the People’s Congresses in China – A Case Study of District People’s Congress Election LIN Feng ∗ I. Introduction China’s electoral system is composed of three elements: (i) the electoral system of grassroots autonomous organizations such as village residents’ committees; (ii) the electoral system of the people’s congresses at all levels; and (iii) the electoral system of officials of governmental organs at all levels. Many Chinese and foreign scholars have conducted
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Respiratory System WebQuest Introduction The primary function of the respiratory system is to supply the blood with oxygen. The respiratory system does this through breathing. Breathing is a natural process that we use to obtain oxygen‚ unlike eating or drinking to get energy. When we breathe‚ we inhale oxygen and exhale carbon dioxide. This exchange of gases is the respiratory system’s means of getting oxygen to the blood. The respiratory tract is responsible for taking the gases
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Invertebrate Endocrinology Overview of the Endocrine System * System of ductless glands that secrete hormones * Hormones are “messenger molecules” * Circulate in the blood * Act on distant target cells * Target cells respond to the hormones for which they have receptors * The effects are dependent on the programmed response of the target cells * Hormones are just molecular triggers * Basic categories of hormones * Amino acid based: modified amino acids (or amines)
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TYPES OF ECONOMIC SYSTEMS The world’s economic systems fall into one of four main categories: traditional economy‚ market economy‚ command economy and mixed economy; however‚ there are unlimited variations of each type. An economic system must define what to produce‚ how to produce it and for whom to produced it. Depending on the products produced and the environment‚ certain economic strategies will be more successful than others. Traditional A traditional economic system is one in which each new
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guarantee CIA of their information and systems? Define confidentiality – what I think it means – eg of technologies to guarantee confidentiality CIA refers to the confidentiality‚ integrity and availability of an information system and is used as a yardstick for evaluating information systems security. CIA cannot be guaranteed in any organization‚ however there are many ways in which it can be improved. First of all confidentiality in respect to information systems is where information is restricted
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reproductive system is a collection of internal and external organs (male and female) that work together for the purpose of recreating. Many scientists argue that the reproductive system is the most important system in the body. Without the reproductive system we would not be able to reproduce. 1 For the male reproductive system there are two major parts: testes‚ where the sperm is produced and the penis. In males the penis and urethra belong to both the urinary system and reproductive system. The testes
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Family Systems Theory / Micro & Macro Assessment A system theory is utilized in investigating or describing how something or someone functions together. “Family systems theory describes the family as an open‚ complex system in which all‚ of the members are interconnected” (Pender‚ Murdaugh‚ & Parsons‚ 2015‚ p.15). The five concepts that help define a unit are: family system as part of a larger supra system and composed of other subsystems‚ family as a whole greater than the sum of its parts‚ change
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Essay Reproductive system The reproductive system is a system of organs within an organism which work together for the purpose of reproduction. Hormones and pheromones are also important accessories to the reproductive system. The major organ of the reproductive system includes penis and vulva as well as a number of internal organs including the testicles and ovaries. Most other vertebrate animals have generally similar reproductive systems consisting of gonads‚ ducts‚ and openings. Human reproduction
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