Autonomic nervous system The autonomic nervous system (ANS or visceral nervous system) is the part of the peripheral nervous system that acts as a control system functioning largely below the level of consciousness‚ and controls visceral functions. The ANS affects heart rate‚ digestion‚ respiration rate‚ salivation‚ perspiration‚ diameter of the pupils‚ micturition (urination)‚ and sexual arousal. Whereas most of its actions are involuntary‚ some‚ such as breathing‚ work in tandem with the conscious
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and buccal mucosa 5. Amylase may be cleansing agent for oral cavity by digestion starch particles near or on teeth. b. The Stomach: the role of HCL and pepsin store‚ mix‚ dissolve and continue digestion of food‚ dissolve food particles with secretions‚ kill microorganisms with acid‚ release protein-digesting (pepsin) enzyme‚ lubricate and protect stomach surface with mucus‚ regulate emptying of dissolved food into small intestine‚ produc intrinsic factor for vitamin B-12 absorption - Pepsin:
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References: Bianco‚ C. MD. (1998-2013). How Your Heart Works. Retrieved from www.howstuffworks.com/life/human-biology/heart.html Flacon‚ D. (1999-2013). How To Eliminate Bronchial Secretions. Retrieved from www.ehow.com/how_5717800_eliminate-bronchial-secretions.html Helathline Editorial Team‚ (2005-2013). Healthline BodyMaps. Retrieved from www.healthline.com/human-body-maps Pandit‚ S. (2011). Is Lung Infection Contagious. Retrieved
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The novel Gulliver’s Travel’s‚ written by Jonathan Swift‚ was centered on three specific themes. These themes included the following: corruption in government‚ intellect without common sense‚ and bodily secretions and excretions. One of the first themes shown in Swift’s Gulliver’s Travels was the theme of corruption of government. This theme was portrayed through the actions and personality of the Emperor of Lilliput. For example‚ the Emperor of Lilliput was impulsive‚ gullible‚ and callous. Gulliver
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function of the nephron Copyright ©2011 by Pearson Education‚ Inc. All rights reserved. Learning Objectives • Compare urinary system of the male with the female urinary system. • Identify the constituents of urine. • Differentiate processes of secretion‚ filtration‚ and reabsorption & where they occur in the nephron. Copyright ©2011 by Pearson Education‚ Inc. All rights reserved. Introduction • The urinary system acts as a purification plant‚ cleaning the blood of waste materials. • Urinary
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secretes a clear‚ watery fluid that is rich in salivary amylase. SUBMANDIBULAR GLANDS located along the inner surface of the jaw in the floor of the mouth. secrete a more viscous fluid than the parotids‚ owing to the presence of mucus in their secretions. SUBLINGUAL GLANDS lies in front of the submandibular glands under the tongue. the fluid they secrete contains an abundance of mucus‚ and so is thick and stringy. DIGESTION in the MOUTH: digestion begins in the mouth. Mastication
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of Human Physiology‚ 4e (Stanfield) Chapter 20 The Gastrointestinal System 20.1 Multiple Choice Questions 1) Which of the following is NOT a basic process of the gastrointestinal system? A) digestion B) filtration C) absorption D) secretion E) motility Answer: B Diff: 4 Page Ref: 568 2) Which of the following is the correct order of the layers of the gastrointestinal tract wall‚ from lumen to external surface? A) mucosa submucosa muscularis externa serosa B) serosa
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liver stomach gall bladder C A B (a) Name structures A and B. (1 mark) ------------------------------------------------- (b) Name two substances present in the secretion secreted by stomach wall. (1 mark) ------------------------------------------------- (c) (i) Name the digestive and hormonal secretions of structure C. (2 marks) -------------------------------------------------
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Continual regeneration of epithelial cells that are damaged or lost at the exposed surface 4. Identify four essential functions of epithelial tissue: a. Provide physical protection b. Control permeability c. Provide sensation d. Produce specialized secretions 5. Identify the three main types of epithelial intercellular connections: a. Tight junctions b. Gap junctions c. Desmosomes 6. What physiological functions are enhanced by the presence of microvilli or cilia on epithelial cells? The presence of
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BASIC CONCEPTS ENDOCRINE SYSTEM :- In physiology‚ the endocrine system is a system of glands‚ each of which secretes a type of hormone into the bloodstream to regulate the body. It derives from the Greek words endo meaning inside‚ within‚ and crinis for secrete. The endocrine system is an information signal system like the nervous system. Hormones are substances (chemical mediators) released from endocrine tissue into the bloodstream that attach to target tissue and allow communication among
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