Chapters 9 and 10 HOMEWORK 9.1 The Respiratory System 1. Summarize the role of the respiratory system. 2. Distinguish between inspiration and expiration. 3. Identify the structures of the human respiratory system. 9.2 The Upper Respiratory Tract 1. Summarize the role of the nose‚ pharynx‚ and larynx in respiration. 2. Identify the structures of the upper respiratory system and provide their function. 3. Explain how sound is produced by the larynx. 9.3 The Lower Respiratory
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different parts of urinary system. The 2 kidneys‚ The 2 ureters‚ the Urinary Bladder and the Urethra. b) What is nephron? Name different parts of a nephron. Write absorption and secretion of different parts of a nephron. Nephron: It is the functional part of the kidney‚ encharged of filtration of blood and eliminates the nitrogenous waste of our bodies. The nephron consists of: functional units; two parts: renal corpuscle (with a two-layerd glomerular capsule that encloses it. They are
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Ovarian cancer can develop from the epithelial cells surrounding the ovary‚ the germ cells‚ or stromal cells within it. Epithelial ovarian carcinomas account for 85-90% of ovarian cancers‚ and will be the focus of this essay. Most symptoms of epithelial ovarian cancer are due to the fact that it often spreads to the lining of and organs in the abdominal cavity. These symptoms include bloating‚ pelvic or abdominal pain‚ urinary urgency or frequency‚ and trouble eating associated with feeling of fullness
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Name: Emily Roth Chapter 3 Check and Challenge Date: November 22‚ 2014 Hr: 5th hour Check and Challenge p 80 1.) What materials need to be exchanged across a cell membrane? Water‚ nutrients‚ waste‚ gasses (O2/CO2)‚ amino acids (to build proteins)‚ sugars (carbos)‚ lipids‚ nucleic acids. 2.) In what way is an organism a protected compartment? Organisms have many layers of cells and material (such as skin) that protect them from the environment. The also arare selectively permeable in determining
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and Nerve Supply * Renal arteries deliver ~ 1/4 (1200 ml) of cardiac output to the kidneys each minute * Arterial flow into and venous flow out of the kidneys follow similar paths * Nerve supply is via sympathetic fibers from the renal plexus Nephrons * Structural and functional
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column A with the words in column B Answer Column A Column B F 1. smooth membrane of the kidney surface a. cortex D 2. portion of the kidney containing mostly collecting ducts b. renal pelvis A 3. portion of the kidney with most of the nephron structures c. renal column B 4. flat cavity that is continuous with the ureter d. medulla E 5. cup shaped extension of the pelvis. Encircles the pyramid. e. minor calyx C 6. superficial region of kidney tissue f. renal capsule
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The Excretory System from The Human Body Systems Series catalog # 3292 Published & Distributed by… AGC/UNITED LEARNING 1560 Sherman Avenue Suite 100 Evanston‚ IL 60201 1-800-323-9084 24-Hour Fax No. 847-328-6706 Website: http://www.agcunitedlearning.com E-Mail: info@agcunited.com 1 THE EXCRETORY SYSTEM Grade Levels: 6-9 (Review for Grades 10-12) Viewing Time: 17 minutes with video quiz INTRODUCTION This video is designed for use in grades 6 - 9 as an introduction to
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osmolarity conditions. This increase in osmolarity is detected by pressure receptors (osmoreceptors) in the hypothalamus. Once released‚ ADH makes its way to the kidneys where it is able to bind to receptor proteins on cells in the collecting ducts of nephrons. ADH allows water to leave the collecting duct and be put back into circulation. On the cellular level‚ ADH promotes more aquaporins to be put into the membrane of the collecting duct. This occurs when ADH binds to the receptors mentioned earlier
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9.2 - Maintaining a Balance: 1. Most organisms are active within a limited temperature range: * Identify the role of enzymes in metabolism‚ describe their chemical composition and use a simple model to describe their specificity in substrates: * Role of enzymes in metabolism: * Metabolism refers to all the chemical reactions occurring in organisms * Enzymes are biological catalysts which increase the rate of chemical reactions * Without enzymes‚ metabolism
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Centre No. Candidate No. Paper Reference(s) Surname Paper Reference Initial(s) 7 0 4 0 7040/01 0 1 Signature Examiner’s use only London Examinations GCE Biology Ordinary Level Paper 1 Monday 10 May 2010 – Morning Time: 1 hour 30 minutes Team Leader’s use only Question Leave Number Blank 1 2 3 4 5 Materials required for examination Nil Items included with question papers Nil 6 7 8 9 Instructions to Candidates In the boxes above‚ write your centre number
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