RESPIRATORY SYSTEM The respiratory system consists of all the organs involved in breathing. These include the nose‚ pharynx‚ larynx‚ trachea‚ bronchi and lungs. The respiratory system does two very important things: it brings oxygen into our bodies‚ which we need for our cells to live and function properly; and it helps us get rid of carbon dioxide‚ which is a waste product of cellular function. The nose‚ pharynx‚ larynx‚ trachea and bronchi all work like a system of pipes through which
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The musculoskeletal system has many functions to it because it is actually two systems that are put together; muscular and skeletal. The organs that are in these systems are skeletal muscles‚ bones (joints‚ tendons‚ and ligaments). By dividing the two systems into different sections‚ it will make it easier for you‚ the reader‚ to understand and make sense of the information. The muscular system functions are to provide movement‚ protects organs‚ and production of heat. There are many muscles that
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The musculoskeletal system includes bones‚ muscles‚ and connective tissues that all work together to provide the framework for the body‚ create body movements‚ store minerals and lipids‚ produce blood cells‚ and protest the body’s organs. The bones‚ muscles‚ and connective tissue comprise approximately sixty percent of the body’s mass. There are 206 bones and about 700 named muscles of three different types: skeletal‚ cardiac and smooth muscles (Taylor). Musculoskeletal disorders consist of minor
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Economic Systems The way a country’s resources are owned and the way that country takes decisions as to what to produce‚ how much to produce and how to distribute what has been produced determine the type of economic system that particular country practises. 1. MARKET ECONOMY (also called FREE ENTERPRISE ECONOMIES or CAPITALIST ECONOMY) 2. CENTRALLY – PLANNED or CONTROLLED ECONOMY 3. MIXED ECONOMY 1. MARKET ECONOMY in comparison to 2. PLANNED ECONOMY e.g. USA‚ Japan Private firms
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Lymphatic/Immune System Structures: White Blood Cells‚ thymus‚ spleen‚ lymph nodes‚ lymph vessels Function: Helps protect the body from disease‚ helps collect the fluid lost from blood vessels and returns the fluid to the circulatory system Pathogen- Disease Causing Agent Vector- animal that carries pathogens from person to person Bacteria- domain of unicellular prokaryotes that have cell walls containing peptidoglycan Virus- particle made up of nucleic acid‚ protein‚ and in some cases lipids
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Immunology is defined as a science that deals with the immune system and the cell-mediated and humoral aspects of immunity and immune responses. An immunologist deals with humans that have an immune response that is not considered normal. For example they treat patients’ that have AID’s‚ Immunodeficiency’s‚ and some autoimmune disorders. Immunology began when Edward Jenner developed a vaccine for small pox‚ and lead to a system of programs to immunize people‚ though this is not all immunologists
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There is a series of important elements and events that has shaded the world’s economy to what is it today. This essay summaries the major historical developments that have led to the creation of your dominant economic systems prevalent in today’s society. After a century of decline and stagnation‚ in the fifteenth century the European population began to grow. However‚ this growth had soon decreased in the early seventeen hundreds. The economies of Europe as well as the rest of the world started
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The cardiovascular system plays a vital role in circulating blood throughout the body to maintain human life. The system consists of a heart and blood vessels that help delivers blood containing oxygen and nutrients to the body organs and tissues for function. The heart is a muscular body organ located on the left side of a human chest. The heart has four chambers are known as the right atrium‚ right ventricle‚ left atrium and the left ventricle. Blood travels through the four chambers by the heart
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Digestive System We all have to eat food to survive when the average person eat food we don’t think about all the things your body have to do just to digest what we ate this short essay I will explain to you the process of how we digest food. Digestion times vary between people but on the average it takes 24-72 hours for our body’s to digest food. The first process with digestion is ingestion which means the chewing process while we chew food it’s broken up in the mouth with saliva and forms
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DIGESTIVE SYSTEM FUNCTION -The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity‚ pharynx‚ esophagus‚ stomach‚ small intestines‚ and large intestines. In addition to the alimentary canal‚ there are several important accessory organs that help your body
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