Function of the Skin The skin is more than just external covering. It acts as a sensitive boundary between our bodies and the environment. The skin has several important functions‚ for example: Protection‚ temperature regulations‚ waste removal and sense of touch. Protection • The skin acts as a protective organ. The film of sebum and sweat on the surface of the skin (acid mantle). It acts as an anti-bacterial agent to help prevent the multiplication of micro-organisms on the skin. • The fat
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Chapter 1 An Introduction to the Human Body Anatomy – science of body structures and relationships among structures Physiology – science of body functions SIX LEVELS OF BODY ORGANIZATION (Given in order smallest to largest) Chemical level a. atoms – smallest unit of matter that participates in chemical reaction b. molecules – two or more atoms joined together c. Several atoms are essential for life: Carbon‚ Hydrogen‚ Oxygen‚ Nitrogen‚ Phosphorus‚ Calcium‚ Sulfur d. Examples of biological
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with the pig and the chicken. Yeah‚ not many people have. At first it didn’t really make any sense to me‚ but if you really think about it‚ you can use the analogy to everything you do in life. The analogy is‚ if breakfast was ham and eggs‚ are you the chicken or the pig. You want to be the pig in everything you do. Because if you’re the pig‚ you sacrifice more and work harder because to become the ham if you’re a pig‚ you must die. There’s nothing wrong with being a chicken‚ but being a pig is the
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RESPIRATORY SYSTEM A complete‚ schematic view of the human respiratory system with their parts and functions. Latin: systema respiratorium The respiratory system (or ventilatory system) is a biological system consisting of specific organs and structures used for the process of respiration in an organism. The respiratory system is involved in the intake and exchange of oxygen and carbon dioxide between an organism and the environment. The primary function of the respiratory system is to supply
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9-26-2013 Pig Lovers and Pig Haters This article relates to what we have learned about materialism. Harris goes in depth explaining the differences between pig haters and pig lovers‚ and what that meant for their societies. Harris wants to know “how to account for an apparently bizarre and wasteful taboo” (45). He explains the history of pig hatred for the Jews and Moslems‚ stating that the Bible condemned them from eating pig because they were dirty. Every reason given for why pigs are hated was
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Patrick Farese LAB- Earthworm Adaptations Follow the procedures in this lab and answer the questions as you go. Answer these on a separate sheet. You can use your textbook‚ classroom charts‚ the worm itself or the internet to find the answers to the questions. EXTERNAL STRUCTURE Place a live earthworm on a damp paper towel in a dissecting tray. Observe its movements for a few minutes. 1. How can you tell the anterior end from the posterior end? The anterior end has a prostomium‚ an over hanging
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Ever since I watched the show Grey’s Anatomy‚ my interest in the human body system began. I was fascinated with the way the body works and all the different things that cause our bodies to react in a certain way. What amazes me is the things we can do in order to prevent ourselves from putting our bodies through things that can cost us our lives. What I want to get out of this class is to learn way more about the human body. I would also like to get into depth about some of the things I know already
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bile while the bile is is not being used to digest fats and acids. Bile is a liquid so a pouch/sac is a good container to hold liquids. Then the muscle will squeeze or contract when bile is needed in the duodenum. Excretory system The bladder is an organ from the excretory system. The structure of the bladder is a muscular sac. It is located above the pubic bone‚ and slightly behind it. The bladder can also look like a “pear” when it is empty. The bladder holds the urine that was made in the kidneys
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Introduction Crayfish (Procambarus clarkia) are crustaceans that are related to lobsters‚ crabs‚ and shrimps (UNT Lab Manual‚ 2017). They normally inhabit fresh to partly salty water and feed on fish‚ carrion‚ plants‚ and detritus. Because they are completely aquatic‚ they rely on their gills for breathing‚ but can spend short periods of time out of the water if their gills will not dry. Like most crustaceans‚ they have a hard‚ calcified exoskeleton. The heart is located in the upper portion of
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The systems of the body. Systems are the most complex of the component units of the human body. A system is an organization of varying numbers and kinds of organs arranged so that together they can perform complex functions for the body. There are 10 systems in the body‚ but the 3 main are: • The nervous system • The respiratory system • The circulatory system The nervous system. The nervous system has two main parts: • The central nervous system – CNS; This is composed of the brain and the spinal
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