referred to as homeostasis (Waugh and Grant 2010). Claude Bernard was a 19th century French physiologist who first discovered the concept of homeostasis. But it was Walter Cannon‚ a 20th century American physiologist who devised the word “homeostasis” (Marieb and Hoehn 2007). Temperature‚ pH‚ blood pressure‚ water and electrolyte concentration and blood glucose levels are the most important physiological variables maintained by homeostatic mechanisms (Waugh and Grant 2010).). Homeostasis is regulated
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1. Define the terms anatomy and physiology. Explain the principle of complementarity and how it applies to this course. The term anatomy refers to the structure of the body and its parts. Along with the study of the body structure‚ anatomy also refers to how these body parts work together and their working relationship as a whole. Physiology is the study of how the living systems in the body function and work. When studying the Physiology of the body it is most understandable if terms from the underlying
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Characteristics of Living Things Overall in science there are 8 characteristics that can be used to determine whether something is living or non-living. Living things are made of cells‚ have levels of organization‚ grow & develop‚ maintain homeostasis‚ process by metabolism‚ respond to stimuli‚ reproduce & evolve over time. Yes those are the eight characteristics of a living thing. The first characteristic is that all living things are made of one or more cells. For instance living things
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Overview An understanding of how the body is structured and works is important for those wishing to pursue a career in Health and Social Care; knowledge of the body in its normal state and when things go wrong are important when assessing care needs of individuals. This knowledge underpins the concepts studied in many other units in this course programme‚ The Learning Outcomes for Unit 5 are to: 1. Know the organisation of the human body. 2. Understand the functioning of the body
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While describing the differences between intracellular fluid and extracellular fluid in the first observation is completely obvious. When reading the words intracellular and extracellular it can be seen that one is the interior of the cell and the other is the exterior of the cell. Intracellular fluid is restricted to the interior of the cell‚ and the cell membrane is the borderline of cytosol or cytoplasmic matrix. The compartments of the intracellular fluid are very important to know‚ as it contains
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Bibliography: (Answers‚ 2012) http://www.answers.com/topic/homeostasis (Date accessed: 15.05.12) (Biology Online‚ 2008) http://www.biology-online.org/dictionary/Homeostasis (Date accessed: 15.05.2012)
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and external stresses can also affect homeostasis‚ which can also cause hypertension. The organ system it involves is the cardiovascular system. The cardiovascular system is the organ system surrounding the heart‚ blood‚ and blood vessels. One of the most important things that help with homeostasis when dealing with hypertension is the negative feedback system. The system works to maintain a constant balance. If there is an issue in the body’s homeostasis‚ the body reacts with the negative feedback
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ATP. Glucose is broken down into 2 pyruvate. The pyruvate then travels through the Kreb cycle and produces carbon dioxide. The oxygen travel through the electron transport train and produces water and energy. In order for the body to maintain homeostasis while exercising more oxygen is needed and cellular respiration increases. In return for a greater intake of oxygen‚ more carbon dioxide is produced and exhaled‚ therefore changing the color of the the bromothymol quicker. The results support the
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It is the body’s attempt to maintain a constant internal environment. Maintaining a stable internal environment requires constant monitoring and adjustments as conditions change. Homeostasis is essential to survival‚ when it is maintained‚ the body is healthy. Examples of homeostasis in the body includes body temperature‚ blood sugar levels‚ heart rate‚ and the fluid environment of the cell The reason our body can adjust to temperature changes is because there is a set point for
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be a living thing? Think about the damage viruses do. How they multiply and invade and make us so miserable. Yet viruses should not be considered living because they do not possess the three most important characteristics of life: reproduction‚ homeostasis‚ and metabolism. Viruses cannot multiply without a host‚ which isn’t even reproduction. The definition of reproduction is‚ the production of offspring by a sexual or asexual process. Viruses use a host cell to reproduce‚ but this is not a form
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