PowerPoint® Lecture Slides Prepared by Patty Bostwick-Taylor‚ Florence-Darlington Technical College CHAPTER 1 The Human Body: An Orientation © 2012 Pearson Education‚ Inc. The Human Body—An Orientation Anatomy • Study of the structure and shape of the body and its parts Physiology • Study of how the body and its parts work or function © 2012 Pearson Education‚ Inc. Anatomy—Levels of Study • Gross anatomy • Large structures • Easily observable © 2012 Pearson Education‚ Inc. Mouth (oral
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1. Briefly explain how does the body maintain homeostasis? Homeostasis is a existence and maintenance of a relatively constant internal environment. Homeostasis is maintain by negative and positive feedback mechanism. Most homeostatic control mechanisms are negative feedback mechanisms. In these system‚ the output shut off the original stimulus or reduce its intensity. These mechanisms cause the variable to change in a direction opposite to that of the initial change‚ returning it to its “ideal”
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he Name: Brittany Barnes Period: 1 Date: 8-29-13 Chapter 1 Introduction to Human Anatomy and Physiology Part A 2. Distinguish between the activities of anatomists and physiologists. Anatomists deal with the structure (morphology) of the body parts. This includes the shapes‚ forms‚ and placement of body organs and appendages. Physiologists deal with the functions of body parts‚ what the body parts do‚ and how this is accomplished. 3. How does a biological structure’s form determine its
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and warning signs did Mr. Dexter possess based on the clinical history? Risk factors for ischemic stroke include hypertension‚ age‚ cigarette smoking‚ male gender‚ family history‚ race‚ previous stroke‚ carotid stenosis >80%‚ atrial fibrillation‚ congestive heart failure‚ mitral stenosis‚ prosthetic cardiac valves‚ myocardial infarction‚ and drug abuse (e.g.‚ cocaine). 7 Other factors that may contribute to stroke are diabetes‚ obesity‚ a
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Block for Sciatic Pain Keyword: Back Pain Therapy What is the Sciatic Nerve? The sciatic nerve is the most massive single nerve in the body that bridges the spine and the lower extremities. It is fed by a total of five nerves originating from the spinal cord‚ transcending the length of the lower spine to the buttocks‚ branching out‚ and continuing to the foot. It innervates the skin and muscles of the lower limbs via the tibial and peroneal nerves. It also provides strength to the legs and is responsible
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It consists of the nerves and spinal cord. It contains billions of nerve cells and receives signals from the brain that allow humans to move their bodies. Nerves allow humans to feel. By being able to move and feel‚ our bodies are able to access what we need to be healthy. Being able to
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Nervous systems consists of the central nervous system (brain and spinal cord) and the peripheral nervous system (cranial and spinal nerves) Brain is divided into 3 major areas 1. Cerebrum Pairs of lobes 2. Brain stem 3. Cerebellum Four lobes are: Frontal-largest lobe‚ concentration‚ abstract thought‚ information storage‚ memory and motor function‚ Broca’s area (motor control of speech)‚ affect‚ judgement‚ personality and inhibitions Parietal- sensory lobe‚ analyzes sensory information
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Osteoporosis can lead to vertebrae pressed together‚ known as compression fractures. It can cause severe pain which is likely to decrease over time. Such vertebral compression fractures occur mostly in elderly persons. Spinal stenosis. This disease means that the channel of the spinal cord become narrower and you get a pressure to nerve tissue. Typical symptoms are pain in the buttocks‚ thighs or calves when walking‚ running or climbing stairs. The cause is usually age-related changes around the vertebrae
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Directions Rostral/Anterior – toward the head of a fourlegged animal Caudal/Posterior – toward the tail Inferior/Ventral – toward the belly Superior/Dorsal – toward the back Neuraxis – an imaginary line that runs the length of the spinal cord to the front of the brain Midline – an imaginary line dividing the body into two equal halves Ipsilateral – directional term referring to structures on the same side of midline Contralateral – opposite side of the midline
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plexus. • CSF is the tissue fluid of the central nervous system (CNS). • (CSF) bathes and cushions the brain and spinal cord within their bony confines. • CSF is produced by modified ependymal cells of the choroid plexus found in all components of the ventricular system except for the cerebral aqueduct and the posterior and anterior horns of the lateral ventricles. Runs from the spinal chord to the pons (a broad mass of chiefly transverse nerve fibers) a. Cardiac center – regulate heart rate b.
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