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Human Body: An Overview of Anatomy and Physiology

This informative guide delves into the structure, function, and organization of the human body, covering anatomy levels, organ systems, and more in detail. Discover the intricacies of the integumentary, skeletal, muscular, nervous, endocrine, cardiovascular, lymphatic, respiratory, digestive, urinary, and reproductive systems.

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Human Body: An Overview of Anatomy and Physiology

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  1. Chapter 1The Human Body:An Orientation

  2. 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

  3. Gross Anatomy • Large structures • Easily observable Anatomy – Levels of Study

  4. Microscopic Anatomy • Very small structures • Can only be viewed with a microscope Anatomy – Levels of Study

  5. Levels of Structural Organization Figure 1.1

  6. Integumentary • Forms the external body covering • Protects deeper tissue from injury • Synthesizes vitamin D • Location of cutaneous nerve receptors Organ System Overview

  7. Skeletal • Protects and supports body organs • Provides muscle attachment for movement • Site of blood cell formation • Stores minerals Organ System Overview

  8. Organ System Overview • Muscular • Allows locomotion • Maintains posture • Produces heat

  9. Nervous • Fast-acting control system • Responds to internal and external change • Activates muscles and glands Organ System Overview

  10. Endocrine • Secretes regulatory hormones • Growth • Reproduction • Metabolism Organ System Overview

  11. Cardiovascular • Transports materials in body via blood pumped by heart • Oxygen • Carbon dioxide • Nutrients • Wastes Organ System Overview

  12. Lymphatic • Returns fluids to blood vessels • Disposes of debris • Involved in immunity Organ System Overview

  13. Organ System Overview • Respiratory • Keeps blood supplied with oxygen • Removes carbon dioxide

  14. Digestive • Breaks down food • Allows for nutrient absorption into blood • Eliminates indigestible material Organ System Overview

  15. Urinary • Eliminates nitrogenous wastes • Maintains acid – base balance • Regulation of materials • Water • Electrolytes Organ System Overview

  16. Organ System Overview • Reproductive • Production of offspring

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