introduction to anatomy & physiology characteristics of living things the sciences of anatomy...
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Introduction To Introduction To Anatomy & Anatomy & PhysiologyPhysiology
Characteristics of Living ThingsCharacteristics of Living Things The Sciences of Anatomy & PhysiologyThe Sciences of Anatomy & Physiology Levels of OrganizationLevels of Organization Introduction to Organ SystemsIntroduction to Organ Systems Homeostasis & System IntegrationHomeostasis & System Integration Regions of the Human BodyRegions of the Human Body Sectional Planes & Anatomical DirectionsSectional Planes & Anatomical Directions Body CavitiesBody Cavities
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IntroductionIntroduction
Characteristics of Living ThingsCharacteristics of Living Things
The Sciences of Anatomy & The Sciences of Anatomy & PhysiologyPhysiology
Levels of OrganizationLevels of Organization
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Learning ObjectivesLearning Objectives
1.1. Describe the basic functions of living Describe the basic functions of living organismsorganisms
2.2. Define anatomy & physiology & list Define anatomy & physiology & list several subdisciplines of eachseveral subdisciplines of each
3.3. Identify the major levels of organization Identify the major levels of organization in living organisms from the simplest to in living organisms from the simplest to the most complex Identify the major the most complex Identify the major levels of organization in living levels of organization in living organisms from the simplest to the organisms from the simplest to the most complexmost complex
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Characteristics Of Living Things
1. Ordered Structure2. Response to Stimuli3. Growth and Development4. Reproduction5. Movement6. Metabolic Activity
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Ordered Structure
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Responsiveness
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Growth & Differentiation
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Reproduction
First StepSecond Step
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Movement
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Metabolism& Excretion& Excretion
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Metabolism The sum of all biochemical processes
within the human body.
• AnabolismAnabolism: : The The synthesissynthesis of complex organic of complex organic
compounds from simpler precursors.compounds from simpler precursors. Requires energy. Requires energy. EndergonicEndergonic
• CatabolismCatabolism:: The The breakdownbreakdown of complex organic of complex organic
compounds into simpler components.compounds into simpler components. Releases energy. Releases energy. ExergonicExergonic
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Subdisciplines of Anatomy & Physiology
Anatomy•Microscopic Anatomy•Gross Anatomy
Physiology•Cell Physiology•Special Physiology•Systemic Physiology•Pathological Physiology
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Anatomical Disciplines
• Microscopic Anatomy: Cytology:
Study of cell structure.Ex: muscle cell.
Histology:Study of tissue structure.Ex: muscle tissue – muscle cells; satellite
cells; nerve cells; etc.
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Anatomical Disciplines
• Gross Anatomy: Surface Anatomy:
Study of general form & superficial markings.
Ex: tooth alignment, body contour, distribution of hair.
Regional Anatomy:Study of specific body areas.Ex: head; foot; abdomen; etc.
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Anatomical Disciplines
• Gross Anatomy: Systemic Anatomy:
Study of organ systems:Ex: cardiovascular system; urinary system;
respiratory system.
Developmental Anatomy:Study of form changes between
conception & physical maturityEx: embryonic development; fetal
development; sexual development.
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Physiological Disciplines
• Cell Physiology:Study of chemical/molecular processes
within cells & chemical interaction between cells.
Ex: stem cell research; oncology research.
• Special Physiology:Study of the physiology of specific organs.
Ex: cardiac physiology; renal physiology; gastric physiology.
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Physiological Disciplines
• Systemic Physiology:Study of the physiology of specific organ
systems.Ex: cardiovascular physiology;
respiratory physiology; reproductive physiology.
• Pathological Physiology:Study of the effects of diseases on organ
and/or organ system functions.Ex: tuberculosis; malaria; influenza; AIDS.
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Levels Of OrganizationLevels Of Organization
SubatomicSubatomic AtomicAtomic MolecularMolecular OrganelleOrganelle CellularCellular
TissueTissue OrganOrgan Organ SystemOrgan System OrganismOrganism
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Atomic StructureAtomic Structure
• NucleusNucleus:: protons: protons: pp++
neutrons: neutrons: nn00
• Energy LevelsEnergy Levels:: electrons: electrons: ee--
orbitalsorbitals
Proton / positive charge / plus sign
Neutron / neutral charge/ no sign
Electron / negative charge / minus sign
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Atomic Level:Atomic Level:Atoms are elements with Atoms are elements with specific propertiesspecific properties
Ex: C, H, O, N
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Molecular Level:Molecular Level:Molecules are combinations of Molecules are combinations of atomsatoms
Ex: Actin
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Organelle Level:Organelle Level:Organelles are made up of Organelles are made up of different moleculesdifferent molecules
Ex: Sarcomere
Myosin
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Cellular Level:Cellular Level:Cells are composed of various Cells are composed of various organellesorganelles
Ex: Cardiocyte
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Tissue Level:Tissue Level:Tissues are composed of Tissues are composed of several cell typesseveral cell types
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Organ Level:Organ Level:Organs are composed of various Organs are composed of various tissue typestissue types
(Ch 5-19)
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Organ System Level:Organ System Level:Organ systems are composed of Organ systems are composed of various organsvarious organs
(Ch 5-12) (Ch 13-19)
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Organism Level:Organism Level:Organisms are composed of Organisms are composed of several organ systemsseveral organ systems
I sure hope this dude is planning on taking a break soon!!
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Introduction to Body Introduction to Body SystemsSystems
Integumentary SystemIntegumentary SystemSkeletal & Muscular SystemsSkeletal & Muscular SystemsNervous & Endocrine SystemsNervous & Endocrine SystemsCardiovascular Cardiovascular & Lymphatic & Lymphatic
SystemsSystemsRespiratory SystemRespiratory SystemDigestive & Urinary SystemsDigestive & Urinary SystemsReproductive SystemReproductive System
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Learning ObjectivesLearning Objectives
1.1. List 11 organ system divisions of List 11 organ system divisions of the human bodythe human body
2.2. Identify the major component Identify the major component organs of each organ systemorgans of each organ system
3.3. Discuss the major functions of Discuss the major functions of each organ systemeach organ system
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Body System OverviewBody System Overview
Major System OrgansMajor System Organs
Primary System FunctionsPrimary System Functions
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Ch 5
SKIN
IntegumentaryIntegumentarySystemSystem
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Integumentary SystemIntegumentary SystemPROTECTION Against
Environmental Hazards; Helps Control Body Temperature
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SkeletalSkeletalSystemSystem
Ch 6
BONES
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Skeletal SystemSkeletal System SUPPORT;
Protects Tissues; Stores Minerals; Forms
Blood;
LOCOMOTION
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MuscularMuscularSystemSystem
Ch 7
MUSCLES
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Muscular SystemMuscular SystemMovement;
Support; Produces Heat
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NervousNervousSystemSystem
Ch 8 – 9
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Nervous SystemNervous SystemImmediate
RESPONSE
To Stimuli; COORDINATES
Other Organ Systems
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EndocrineEndocrineSystemSystem
Ch 10
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Endocrine SystemEndocrine SystemDirects Long-term Responses Of Other Organ
Systems
COORDINATION & CONTROL
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Ch 11 – 13
CardiovascularCardiovascularSystemSystem
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Cardiovascular System Cardiovascular System TRANSPORT
Of Cells & Dissolved Materials: Nutrients,
Wastes, Gases
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Ch 14
Lymphatic SystemLymphatic System& Immunity& Immunity
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Lymphatic SystemLymphatic SystemH2O
REGULATION
&
IMMUNITY
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RespiratoryRespiratorySystemSystem
Ch 15
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Respiratory SystemRespiratory SystemGAS
EXCHANGE btw Air &
Blood
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DigestiveDigestiveSystemSystem
Ch 16 – 17
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Digestive SystemDigestive SystemFood PROCESSING
&
ABSORPTION Of Nutrients
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UrinaryUrinarySystemSystem
Ch 18
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Urinary SystemUrinary SystemEXCRETION
Of Waste, Excess H2O, &
Salts
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Ch 19
ReproductiveReproductiveSystemSystem
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Reproductive SystemReproductive SystemPERPETUATION OF THE
SPECIES
Produces Sex Cells (Sperm) &
Hormones
♂
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Reproductive SystemReproductive SystemPERPETUATION OF THE
SPECIES
Produces Sex Cells (Eggs) &
Hormones
♀
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System IntegrationSystem Integration
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So until next time, Adios amoebas!
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Homeostasis Homeostasis & System Integration& System Integration
HomeostasisHomeostasis
Negative FeedbackNegative Feedback
Positive FeedbackPositive Feedback
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Learning ObjectivesLearning Objectives
1.1. Explain the concept of Explain the concept of homeostasis and its significance homeostasis and its significance to living thingsto living things
2.2. Describe how positive and Describe how positive and negative feedback are involved in negative feedback are involved in homeostatic regulationhomeostatic regulation
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HomeostasisHomeostasis
The steady-state physiological The steady-state physiological condition of a bodycondition of a body
The automatic tendency to The automatic tendency to maintain constant internal maintain constant internal conditions despite changes in the conditions despite changes in the external environmentexternal environment Maintained by feedback mechanisms – Maintained by feedback mechanisms –
especially especially feedback inhibitionfeedback inhibition
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Homeostasis:Homeostasis:A Regulatory ProcessA Regulatory Process
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Negative Feedback Negative Feedback Mechanism & HomeostasisMechanism & Homeostasis
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BLOOD
C6H12O6
diet
fast
Pancreas
β Cells
Pancreas
α Cells
insulin
glucagon
LIVER
GLYCOGEN
Control of Blood Sugar
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Regulatory MechanismsRegulatory Mechanisms
• Negative feedbackNegative feedback Feedback inhibitionFeedback inhibition: increasing : increasing
amounts of an end product in a amounts of an end product in a chemical synthesis pathway causes chemical synthesis pathway causes the reaction to the reaction to slow down or stopslow down or stop
• Positive feedbackPositive feedback Increasing amounts of an end product Increasing amounts of an end product
in a chemical synthesis pathway in a chemical synthesis pathway causes the reaction to causes the reaction to speed upspeed up
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Negative Negative FeedbackFeedback An anabolic An anabolic
biosynthetic biosynthetic pathway produces pathway produces a chemical product.a chemical product.
The product The product interacts interacts negativelynegatively with a with a catalytic enzyme in catalytic enzyme in the pathway.the pathway.
As As moremore product is product is produced, produced, synthesis of synthesis of product isproduct is reducedreduced..
NoteNote: : less product = less product =
more production more production of product.of product.
More product = More product = less production of less production of product.product.
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Positive FeedbackPositive Feedback An anabolic An anabolic
biosynthetic pathway biosynthetic pathway produces a chemical produces a chemical product.product.
The product interacts The product interacts positivelypositively with a with a catalytic enzyme in the catalytic enzyme in the pathway.pathway.
As more product is As more product is producedproduced, synthesis of , synthesis of product isproduct is increasedincreased..
NoteNote: : less product = less less product = less
production of production of product.product.
More product = More product = more production of more production of product.product.
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Positive Feedback Positive Feedback Mechanism & HomeostasisMechanism & Homeostasis
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Reference Frames & Reference Frames & Anatomical TerminologyAnatomical Terminology
Superficial Anatomy: Anatomical Superficial Anatomy: Anatomical Landmarks & Body RegionsLandmarks & Body Regions
Sectional Anatomy: Dissection Sectional Anatomy: Dissection Planes & Body SectionsPlanes & Body Sections
Body CavitiesBody CavitiesAnatomical Directions Anatomical Directions
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Learning ObjectivesLearning Objectives
1.1. Use anatomical terms to describeUse anatomical terms to describe body regionsbody regions
2.2. Use anatomical terms to describe Use anatomical terms to describe body sections & relative positionsbody sections & relative positions
3.3. Identify the major body cavities Identify the major body cavities and their subdivisionsand their subdivisions
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Anatomical TerminologyAnatomical Terminology
FacialFacialNasalNasalOralOralPectoralPectoralAbdominalAbdominalCarpalCarpalFemoralFemoralPelvicPelvicPubicPubicMammary Mammary
Many students already know:Many students already know:
faceface nosenose mouthmouth chestchest abdomen/stomachabdomen/stomach wristwrist thighthigh above genital regionabove genital region genital regiongenital region breast breast
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Anatomical TerminologyAnatomical Terminology
CranialCranialBuccalBuccalMentalMentalCervicalCervicalThoracicThoracicAxillaryAxillaryBrachialBrachialAntebrachial Antebrachial
All students should know:All students should know:
top of headtop of head cheekcheek chinchin neckneck chestchest armpitarmpit upper armupper arm lower arm lower arm
Previous list…..+
![Page 70: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/70.jpg)
Anatomical TerminologyAnatomical Terminology
DigitalDigitalPhalangealPhalangealDorsalDorsalLumbarLumbarGlutealGlutealCruralCruralSuralSuralTarsal Tarsal
All students should know:All students should know:
fingers or toesfingers or toes finger or toe partsfinger or toe parts back (upper)back (upper) lower backlower back buttocksbuttocks lower leg (front)lower leg (front) lower leg (calf)lower leg (calf) ankle ankle
Previous list…..+
![Page 71: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/71.jpg)
Anatomical TerminologyAnatomical Terminology
CephalicCephalicFrontalFrontal InguinalInguinalManualManualPalmarPalmarPedalPedalPlantarPlantarCalcaneal Calcaneal
All students should know:All students should know:
headhead foreheadforehead groingroin handhand palmpalm footfoot solesole heelheel
Previous list…..+
![Page 72: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/72.jpg)
Body RegionsBody RegionsA
nte
rio
r A
nat
om
ical
L
and
mar
ks
Note the Anatomical
Position
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Body RegionsBody RegionsP
ost
erio
r A
nat
om
ical
L
and
mar
ks
Note the Anatomical
Position
![Page 74: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/74.jpg)
Abdominalpelvic Abdominalpelvic QuadrantsQuadrants
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So until next time, Adios amoebas!
![Page 76: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/76.jpg)
Sectional AnatomySectional AnatomyS
ecti
on
al P
lan
es
Sagittal Planes:
Midsagittal (shown)
Parasagittal (not shown)
Coronal plane: usually referencing the head
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Sectional AnatomySectional AnatomyS
ecti
on
al P
lan
es
![Page 78: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/78.jpg)
Anatomical DirectionsAnatomical DirectionsA
nat
om
ical
Dir
ecti
on
s
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Anatomical DirectionsAnatomical DirectionsA
nat
om
ical
Dir
ecti
on
sSuperficial
Deep
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Anatomical DirectionsAnatomical DirectionsA
nat
om
ical
Dir
ecti
on
s
Visceral
Parietal
![Page 81: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/81.jpg)
Anatomical DirectionsAnatomical DirectionsA
nat
om
ical
Dir
ecti
on
sCortical
Medullary
![Page 82: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/82.jpg)
Body CavitiesBody CavitiesB
od
y C
avit
ies
![Page 83: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/83.jpg)
Body CavitiesBody CavitiesB
od
y C
avit
ies
![Page 84: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/84.jpg)
Body Cavity Body Cavity RelationshipsRelationships
![Page 85: Introduction To Anatomy & Physiology Characteristics of Living Things The Sciences of Anatomy & Physiology Levels of Organization Introduction](https://reader037.vdocuments.site/reader037/viewer/2022103006/56649e875503460f94b8b921/html5/thumbnails/85.jpg)
So until next time, Adios amoebas!