edu2hbs human body systems 1 the human body – an orientation copyright © 2003 pearson education,...
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EDU2HBS Human Body Systems
The Human Body – An OrientationThe Human Body – An Orientation
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings
Anatomy
Physiology
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EDU2HBS Human Body Systems
Anatomy – Levels of StudyAnatomy – Levels of Study
Gross Anatomy
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EDU2HBS Human Body Systems
Anatomy – Levels of StudyAnatomy – Levels of Study• Microscopic Anatomy
• Can only be viewed with a microscope
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EDU2HBS Human Body Systems
Levels of Structural OrganizationLevels of Structural Organization
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System OverviewIntegumentary
• Protects deeper tissue from injury
• Synthesizes vitamin D
• Location of cutaneous nerve receptors
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System Overview Skeletal
• Provides muscle attachment for movement
• Site of blood cell formation
• Stores minerals
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System Overview
Muscular
• Skeletal, cardiac and smooth muscle
• Produces heat
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System Overview
Nervous
• Responds to internal and external change
• Activates muscles and glands
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System OverviewEndocrine
• Secretes regulatory hormones
• Growth
• Reproduction
• Metabolism
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System OverviewCardiovascular
• Blood, heart, arteries, veins, capillaries
• Transports materials in body via blood pumped by heart
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System OverviewLymphatic
• Lymph, lymphatic vessels, lymphatic tissues
• Disposes of debris
• Involved in immunity
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System Overview
Slide 1.11
Respiratory
• Nasal cavity, pharanx, larynx, trachea, bronchi and lungs
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System Overview
Slide 1.12
Digestive
• Mouth, pharynx, esophagus, stomach, intestines
• Eliminates indigestible material
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System OverviewUrinary
• Maintains acid – base balance
• Regulation of materials
• Water
• Electrolytes
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EDU2HBS Human Body Systems
Organ System OverviewOrgan System Overview
Reproductive
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EDU2HBS Human Body Systems
Necessary Life FunctionsNecessary Life FunctionsMovement
Digestion
Metabolism All chemical reactions within the body
Making body structures
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EDU2HBS Human Body Systems
Necessary Life FunctionsNecessary Life Functions
Excretion
Reproduction
Growth
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EDU2HBS Human Body Systems
Survival NeedsSurvival Needs
Five Survival Needs are essential for life
• Nutrients (Food)• Water• Oxygen• Body temperature • Atmospheric pressure
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EDU2HBS Human Body Systems
Homeostasis:
The condition of bodily function where there is a constant or unchanging internal environment.
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EDU2HBS Human Body Systems
Maintaining HomeostasisMaintaining 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
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EDU2HBS Human Body Systems
The Language of AnatomyThe Language of Anatomy• Special terminology is used to prevent
misunderstanding
• Exact terms are used for:
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EDU2HBS Human Body Systems
Orientation and Directional TermsOrientation and Directional Terms
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EDU2HBS Human Body Systems
Orientation and Directional TermsOrientation and Directional Terms
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EDU2HBS Human Body Systems
Orientation and Directional TermsOrientation and Directional Terms
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EDU2HBS Human Body Systems
Body LandmarksBody Landmarks
• Anterior
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EDU2HBS Human Body Systems
Body LandmarksBody Landmarks• Posterior
Figure 1.5b
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EDU2HBS Human Body Systems
Body PlanesBody Planes
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EDU2HBS Human Body Systems
There are two major body cavitiesDorsal cavityVentral cavity
Body CavitiesBody Cavities
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EDU2HBS Human Body Systems
Dorsal cavity Ventral body cavity
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EDU2HBS Human Body Systems
Abdominopelvic Major OrgansAbdominopelvic Major Organs
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EDU2HBS Human Body Systems
Acknowledgement
Pictures and text
Copyright © 2003 Pearson Education, Inc. publishing as Benjamin CummingsCopyright © The McGraw-Hill Companies, Inc.
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