DIGESTION OF CARBOHYDRATES Digestion of carbohydrate begins in the mouth‚ with the secretion of the enzyme salivary amylase from the serous cells of the salivary gland. This enzyme breaks starch and glycogen into disaccharides. The mucous cells of the salivary gland secrete a mucus‚ which causes the food to stick together‚ and acts as a lubricant to aid in swallowing. The salivary glands are grouped into three categories: the parotid gland‚ submandibular glands‚ and sublingual‚ all located
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body by selectively excreting or retaining various substances according to specific body needs. The process of urine formation and adjustment of blood composition involves three processes: glomerular filtration‚ tubular reabsorption‚ and tubular secretion. The first part of the process of urine formation occurs in the glomeruli which act as filters‚ allowing water‚ glucose‚ salt and waste materials to pass through to the Bowman’s capsule but preventing and red blood cells and plasma proteins to pass
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Chapter Number: 18 Question type: Multiple Choice 1) Which of the following is NOT a function of a hormone? Regulates chemical composition and volume of the internal environment Regulates metabolism Regulates glandular secretions Produces electrolytes Controls growth and development Answer: d Difficulty: Easy Learning Objective 1: 18.1 Compare control of body functions by the nervous system and endocrine system. Section Reference 1: 18.1 Comparison of Control
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(TSH) is produced when the hypothalamus excretes thyrotropin-releasing hormone (TRH). The secretion of TRH triggers the pituitary gland to release TSH. TSH then activates a release of triiodothyronine (T3) and thyroxine (T4)‚ controlling the body’s metabolism. When T3 and T4 levels rise‚ the secretion of TRH and TSH decrease. When thyroid hormone levels decline‚ there is an increase in TRH and TSH secretion (Buttaro‚ Trybulski‚ Bailey‚ & Sandberg-Cook‚ 2011). Hypothyroidism is primarily diagnosed
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the bulk of actual sweat is produced by simple sweat glands called eccrine glands‚ apocrine glands in the skin act primarily as scent glands. Apocrine glands are considerably larger‚ are more deeply embedded in the skin‚ and produce a much thicker secretion than eccrine glands. Rather than cooling the body‚ the primary function of apocrine sweat glands is to produce a sexual scent that is as individual as a fingerprint. These glands become active once puberty sets in and play a vital part in sexual
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The secretion yielded gram-positive cocci after 2-day incubation at 37°C on 5% sheep-blood agar under anaerobic atmosphere.Biochemical testing gave a positive result of α hemolysis and a negative result for production of catalase. The cocci wereidentified by using
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Some other functions that ghrelin has shown to have include; growth hormone release‚ glucose metabolism‚ gastric acid secretion‚ gastrointestinal motility‚ peripheral signalling & feeding behaviour. Since it promotes fat storage ghrelin has a role in body weight regulation which appears to be more complex than initially proposed. Ghrelin also protective effects on the cardiovascular
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Physiology Lab Review Questions for Final 7.2: Electrocardiogram (ECG) 1. The pacemaker region of the heart is the right atrium (SA node) ____________________________. 2. The conducting tissue of the heart located in the interventricular septum is the right and left bundle branches 3. Indicate the electrical events that produce each of these waves: a. P wave __atrial depolarization________________________________________________________. b. QRS wave __ventricular depolarization_________________________________________________
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V. Anatomy and Physiology The Urinary Tract The Urinary System rids the body of nitrogenous wastes while regulating water‚ electrolyte‚ and acid-base balance of the blood. Kidneys Kidneys are small‚ dark red organs with a kidney-bean shape lie against the dorsal body wall in a retroperineal position (beneath the parietal peritoneum) in the superior lumbar region. The kidneys extend from T12 to the L3 vertebra; thus they receive some protection from the lower part of the rib cage. Because
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AP-2 Lab 01 – Lab Report Name: Shamika C. Dent Section: AP 2 – 131 – Fall 2010 Laboratory Report: Exercise 1: The Endocrine System Purpose: What is the purpose of this exercise? Is there any safety concerns associated with this exercise? If so‚ list what they are and what precautions should be taken. 1. Identify the major endocrine glands and other organs containing endocrine cells on models and diagrams (glands listed below). 2. Identify the major endocrine glands in the cat (glands
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