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Distinguish between anatomy and physiology, and identify several branches of each; Describe the structure of the body, from simplest to most complex, in terms of the six levels of organization; Identify the functional characteristics of human life; Identify the four requirements for human survival
human body, the physical substance of the human organism, composed of living cells and extracellular materials and organized into tissues, organs, and systems. Human anatomy and physiology are treated in many different articles.
Chapter 1. An Introduction to the Human Body. 1.0 Introduction. 1.1 How Structure Determines Function. 1.2 Structural Organization of the Human Body. 1.3 Homeostasis. 1.4 Anatomical Terminology. 1.5 Medical Imaging. Chapter 2. The Chemical Level of Organization. 2.0 Introduction. 2.1 Elements and Atoms: The Building Blocks of Matter.
There are 12 major anatomy systems: Skeletal, Muscular, Cardiovascular, Digestive, Endocrine, Nervous, Respiratory, Immune/Lymphatic, Urinary, Female Reproductive, Male Reproductive, Integumentary. Select a system below to get started.
Key facts about the human body systems. A group of organs that work together to perform one or more functions in the body. Exchange of oxygen and carbon-dioxide between the body and air, acid-base balance regulation, phonation. Initiation and regulation of vital body functions, sensation and body movements.
Whereas anatomy is about structure, physiology is about function. Human physiology is the scientific study of the chemistry and physics of the structures of the body and the ways in which they work together to support the functions of life.
The No.1 Anatomy Learning Resource: Trusted by Over 12 Million Students and Professionals. Understanding human anatomy is crucial for success in both education and healthcare.
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An Anatomy & Physiology Course for Everyone. The Visible Body Learn Site is our totally free introduction to each human body system. It furthers our mission to allow anybody anywhere to easily engage with our world-class visual human biology content.
Learn about human anatomy and physiology online by downloading OpenStax's free Anatomy and Physiology 2e book and using our accompanying study guide.