Gas exchange is a biological process that is essential for the survival of an organism. The purpose of this process is to obtain oxygen from the environment (which is necessary for cellular respiration‚ and to dispose of CO2‚ a bi product of respiration. An efficient gas exchange system has 3 requirements. It must have a large surface area over which the gases can diffuse. A large surface area maximises the amount of area available for the gases to exchange. It must also be moist. Oxygen must first
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Survival of the Sickest chapter two concentrates mainly on the disease named diabetes. The full scientific name is actually diabetes mellitus‚ or “passing through honey sweet” Diabetes is an extremely common and well known disease that becomes more and more common every day. The disease is based on sugar is the body‚ or glucose. When your body breaks down carbohydrates‚ it produces glucose‚ and essential sugar for the human body. There is a bodily function in which insulin helps the body use glucose
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Chapter 23 - The Heart 331 The Heart - Key 1 2 3 What is the name of the central region of the thorax? The central region of the thorax is the mediastinum. About how much of the heart is to the left of the mid-sternal line? Two-thirds of the heart is to the left. Where is the location of the apex of the heart? The apex of the heart is located to the left at the fifth intercostal space. Figure 23.2 11 In reference to Figure 23.2‚ identify #1 - #3. 3 Epicardium 1 Pericardium 2 Pericardial
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Salters Nuffield Advanced Biology AS Revision summary Unit 1 Topic 1: Lifestyle‚ health and risk Topic 2: Genes and health Unit 2 Topic 3: Topic 4: SNAB Biology AS Revision Summary Understanding the specification The following summary tries to explain what is meant by the specification statements for the SNAB AS course. SNAB includes a lot of material because it helps you to understand ideas or because it is interesting‚ but it can be a little confusing when it comes to knowing what to
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UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Advanced Level * 2 3 0 8 9 6 9 9 7 3 * BIOLOGY Paper 5 Planning‚ Analysis and Evaluation Candidates answer on the Question Paper. No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black ink. You may use a pencil for any diagrams‚ graphs or rough working. Do not use staples‚ paper clips‚ highlighters
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The term biology is derived from the Greek word βίος‚ bios‚ "life" and the suffix -λογία‚ -logia‚ "study of."[4] The Latin form of the term first appeared in 1736 when Linnaeus (Carl von Linné) used biologi in his Bibliotheca botanica. It was used again in 1766 in a work entitled Philosophiae naturalis sive physicae: tomus III‚ continens geologian‚ biologian‚ phytologian generalis‚ by Michael Christoph Hanov‚ a disciple of Christian Wolff. The first German use‚ Biologie‚ was used in a 1771 translation
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Introduction: Consumption of fruit beverages has developed and sales have expanded quickly lately because of the expanding health awareness of consumers and the ascent in the accessibility and mixed bag of fruit juice beverages. The interest and the price of concentrated fruit juice diminished in the universal market in the second 50% of 2008 due to the negative impacts from the worldwide monetary emergency. The global market for fruit and vegetable juice beverages is gauge to achieve 64.46 billion
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Introduction In this investigation‚ me and my partners performed an experiment to find the different energy contents in food and different amounts of energy released when consumed. Throughout this experiment our procedure was to take different food samples and use a device known as a calorimeter made from a can of aluminum‚ one large paper clips and a string of copper wire to measure the amount of thermal energy released during a reaction. By measuring the temperature difference before and after
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BIOLOGY 1403 – ANIMAL BIOLOGY SP2013 Dr. Matthew Kaser Office: South Science 402 matthew.kaser@csueastbay.edu Office Hours: W 3:30-4:30 Objectives – To introduce students to the science of animals by: * Comparing the structural and functional characteristics of different animal groups in an evolutionary and ecological context. * Conducting experiments‚ collecting and analyzing data‚ and writing scientific papers‚ and through hands-on interaction with animal phyla *
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Low Cost Green Houses for Vegetable Production Agriculture is the backbone of India’s economic activity and our experience during the last 50 years has demonstrated the strong correlation between agricultural growth and economic prosperity. The present agricultural scenario is a mix of outstanding achievements and missed opportunities. If India has to emerge as an economic power in the world‚ our agricultural productivity should equal those countries‚ which are currently rated as economic power
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