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PowerPointLecture Slide Presentationby Patty Bostwick-Taylor,Florence-Darlington Technical College
Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings
PART A1
The Human Body:
An Orientation
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*The Human BodyAn Orientation
Anatomy
Study of the structure and shape of the bodyand its parts
Physiology
Study of how the body and its parts work orfunction
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AnatomyLevels of Study
Gross anatomy
Large structures
Easily observable
Figure 14.1
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AnatomyLevels of Study
Microscopic Anatomy
Very smallstructures
Can only be
viewed witha microscope
Figure 14.4cd
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Levels of Structural Organization
Figure 1.1
Smooth muscle cell Molecules
Atoms
Smoothmuscletissue
Epithelialtissue
Smoothmuscletissue
Connectivetissue
Bloodvessel(organ) Cardio-
vascular
system
Cellular levelCells are made up ofmolecules
Tissue levelTissues consist ofsimilar types of cells
Organ levelOrgans are made upof different typesof tissues
Organ system levelOrgan systems consist of differentorgans that work together closely
Organismal levelHuman organismsare made up of manyorgan systems
Chemical levelAtoms combine toform molecules
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Levels of Structural Organization
Figure 1.1, step 1
Molecules
Atoms
Chemical levelAtoms combine toform molecules
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Levels of Structural Organization
Figure 1.1, step 2
Smooth muscle cell Molecules
AtomsCellular levelCells are made up ofmolecules
Chemical levelAtoms combine toform molecules
8/3/2019 Ch. 1 Part A
8/16Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Levels of Structural Organization
Figure 1.1, step 3
Smooth muscle cell Molecules
Atoms
Smoothmuscletissue
Cellular levelCells are made up ofmolecules
Tissue levelTissues consist ofsimilar types of cells
Chemical levelAtoms combine toform molecules
8/3/2019 Ch. 1 Part A
9/16Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Levels of Structural Organization
Figure 1.1, step 4
Smooth muscle cell Molecules
Atoms
Smooth
muscletissue
Epithelialtissue
Smoothmuscletissue
Connectivetissue
Bloodvessel(organ)
Cellular levelCells are made up ofmolecules
Tissue levelTissues consist ofsimilar types of cells
Organ levelOrgans are made upof different typesof tissues
Chemical levelAtoms combine toform molecules
8/3/2019 Ch. 1 Part A
10/16Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Levels of Structural Organization
Figure 1.1, step 5
Smooth muscle cell Molecules
Atoms
Smooth
muscletissue
Epithelialtissue
Smoothmuscletissue
Connectivetissue
Bloodvessel(organ) Cardio-
vascular
system
Cellular levelCells are made up ofmolecules
Tissue levelTissues consist ofsimilar types of cells
Organ levelOrgans are made upof different typesof tissues
Organ system levelOrgan systems consist of differentorgans that work together closely
Chemical levelAtoms combine toform molecules
8/3/2019 Ch. 1 Part A
11/16Copyright 2009 Pearson Education, Inc., publishing as Benjamin Cummings
Levels of Structural Organization
Figure 1.1, step 6
Smooth muscle cell Molecules
Atoms
Smooth
muscletissue
Epithelialtissue
Smoothmuscletissue
Connectivetissue
Bloodvessel(organ) Cardio-
vascular
system
Cellular levelCells are made up ofmolecules
Tissue levelTissues consist ofsimilar types of cells
Organ levelOrgans are made upof different typesof tissues
Organ system levelOrgan systems consist of differentorgans that work together closely
Organismal levelHuman organismsare made up of manyorgan systems
Chemical levelAtoms combine toform molecules
8/3/2019 Ch. 1 Part A
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Figure 1.2a
Organ System Overview
Integumentary
Forms the external bodycovering
Protects deeper tissue from
injury Helps regulate body
temperature
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Figure 1.2b
Organ System Overview
Skeletal
Protects and supportsbody organs
Provides muscle
attachment for movement Blood cell
formation
Stores minerals
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Figure 1.2c
Organ System Overview
Muscular
Produces movement
Maintains posture
Produces heat
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Organ System Overview
Nervous
Fast-acting controlsystem
Responds to internal and
external change Activates muscles and
glands
Figure 1.2d
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Organ System Overview
Endocrine
Secreteshormones
Growth
Reproduction
Metabolism
Figure 1.2e