EDU2HBS Human Body Systems 1 The Human Body – An Orientation Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Anatomy Physiology

EDU2HBS Human Body Systems 2 Anatomy – Levels of Study Gross Anatomy

EDU2HBS Human Body Systems 3 Anatomy – Levels of Study Microscopic Anatomy Can only be viewed with a microscope

EDU2HBS Human Body Systems 4 Levels of Structural Organization

EDU2HBS Human Body Systems 5 Organ System Overview Integumentary Protects deeper tissue from injury Synthesizes vitamin D Location of cutaneous nerve receptors

EDU2HBS Human Body Systems 6 Organ System Overview Skeletal Provides muscle attachment for movement Site of blood cell formation Stores minerals

EDU2HBS Human Body Systems 7 Organ System Overview Muscular Skeletal, cardiac and smooth muscle Produces heat

EDU2HBS Human Body Systems 8 Organ System Overview Nervous Responds to internal and external change Activates muscles and glands

EDU2HBS Human Body Systems 9 Organ System Overview Endocrine Secretes regulatory hormones Growth Reproduction Metabolism

EDU2HBS Human Body Systems 10 Organ System Overview Cardiovascular Blood, heart, arteries, veins, capillaries Transports materials in body via blood pumped by heart

EDU2HBS Human Body Systems 11 Organ System Overview Lymphatic Lymph, lymphatic vessels, lymphatic tissues Disposes of debris Involved in immunity

EDU2HBS Human Body Systems 12 Organ System Overview Slide 1.11 Respiratory Nasal cavity, pharanx, larynx, trachea, bronchi and lungs

EDU2HBS Human Body Systems 13 Organ System Overview Slide 1.12 Digestive Mouth, pharynx, esophagus, stomach, intestines Eliminates indigestible material

EDU2HBS Human Body Systems 14 Organ System Overview Urinary Maintains acid – base balance Regulation of materials Water Electrolytes

EDU2HBS Human Body Systems 15 Organ System Overview Reproductive

EDU2HBS Human Body Systems 16 Necessary Life Functions Movement Digestion Metabolism All c hemical reactions within the body Making body structures

EDU2HBS Human Body Systems 17 Necessary Life Functions Excretion Reproduction Growth

EDU2HBS Human Body Systems 18 Survival Needs Five Survival Needs are essential for life Nutrients (Food) Water Oxygen Body temperature Atmospheric pressure

EDU2HBS Human Body Systems 19 Homeostasis: The condition of bodily function where there is a constant or unchanging internal environment. 

EDU2HBS Human Body Systems 20 Maintaining Homeostasis Important for: The body communicates through neural and hormonal control systems Receptor Responds to changes in the environment (stimuli) Sends information to control center

EDU2HBS Human Body Systems 21 The Language of Anatomy Special terminology is used to prevent misunderstanding Exact terms are used for:

EDU2HBS Human Body Systems 22 Orientation and Directional Terms

EDU2HBS Human Body Systems 23 Orientation and Directional Terms

EDU2HBS Human Body Systems 24 Orientation and Directional Terms

EDU2HBS Human Body Systems 25 Body Landmarks Anterior

EDU2HBS Human Body Systems 26 Body Landmarks Posterior Figure 1.5b

EDU2HBS Human Body Systems 27 Body Planes

EDU2HBS Human Body Systems 28 There are two major body cavities Dorsal cavity Ventral cavity Body Cavities

EDU2HBS Human Body Systems 29 Dorsal cavityVentral body cavity

EDU2HBS Human Body Systems 30 Abdominopelvic Major Organs

EDU2HBS Human Body Systems 31 Acknowledgement Pictures and text Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Copyright © The McGraw-Hill Companies, Inc.