Chapter 1

Chapter 1 - HP 320 Biological & Behavioral Basis of...

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HP 320 Basis of Disease Instructor : Sondos Islam, Ph.D., M.P.H., M.S. Course Overview Organization of the Human Body Medical Terminology Tissues, Glands and Membranes Pathophysiology Behavioral risks Preventative measures Course Objectives and Goals At the end of this course, you will: Learn about the organization of the body and how it functions Understand how all body systems work together in health and disease Learn about the behavioral, environmental and genetic risks of diseases Learn the preventative measures to remain healthy Become familiar with Medical Terminology Anatomy : the study of the structures of the body relationship among these structures the “ what ” and “ where ” of the body Physiology : the study of how the body functions the “how” is often on a chemical level Pathology : the study of diseases Pathophysiology : the study of the mechanisms by which diseases occur, and the responses of the body to a disease, and their effects on normal body functions Levels of Structural Organization The Integumentary System (The Skin) Protects deeper tissue from injury Synthesizes vitamin D Location of cutaneous (skin) nerve receptors
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Skeletal System Functions: Provides muscle attachment for movement Site of blood cell formation Storage for minerals Muscular System Functions: Movement Posture Production of heat Nervous System (NS) Central Nervous System (CNS): Brain + Spinal cord Peripheral Nervous System (PNS): Spinal nerves + Cranial nerves Fast-acting, short-term control system Endocrine System Secretes hormones that control/regulate: growth reproduction metabolism Slow-acting, long-term control system
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Cardiovascular System The heart and blood vessels Functions : Transports of gasses (e.g. O 2 , CO 2 ), nutrients and wastes to and from the tissues via blood pumped by the heart Lymphatic System Transports and returns excess extracellular fluids (ECF) to the
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Chapter 1 - HP 320 Biological & Behavioral Basis of...

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