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Chapter 1: What is Anatomy and Physiology

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Title: Chapter 1 An Introduction to Human Anatomy and Physiology Author: Alan DeLano Last modified by: Alan DeLano Created Date: 8/25/2010 1:43:21 AM – PowerPoint PPT presentation

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Title: Chapter 1: What is Anatomy and Physiology


1
Chapter 1 What is Anatomy and Physiology
  • We will explore
  • Human Structure and Organization
  • The Importance of the Systems Within the Body

2
Human Anatomy and Physiology
  • Anatomy? study of the structure shape of the
    body and its parts their relationship to one
    another
  •  
  • Physiology?Study of how the body works (function)
  •  
  • Anatomy Physiology? Structure Function

3
Organization of the Human Body
  • Atoms and Molecules
  • Organelles
  • Cells
  • Tissues
  • Organs
  • Organ Systems
  • Organism

4
  • Chemical Levelsimplest atoms combine to form
    molecules of sugar, water proteins
  • Cellular Levelarranged by combinations of
    molecules
  • Cellssmallest unit of all living things
  • Tissue Levelgroups of similar cells performing
    similar functions
  • Organ Level2 or more tissue types that perform a
    specific function
  • Organ Systemgroups of organs that cooperate to
    accomplish common purpose
  • Organismall systems working together

5
Human Body Systems
  • Integumentary System Skeletal System
  • Muscular System Nervous System
  • Endocrine System Circulatory System
  • Respiratory System Digestive System
  • Urinary System Reproductive System
  • Immune System

6
Integumentary System Your skin and membranes
  • external covering, waterproofs the body,
    cushions protects deeper tissue, regulates body
    temperature, receptors alert us to what happens
    on the surface of the skin

7
Major Organ of this system The skin
8
Skeletal System
  • Bones / Cartilage / Ligaments / Joints
  • Framework
  • Protective function ( Skull / Ribs )
  • Storehouse for minerals ( Calcium )
  • Hematopoesis---formation of blood cells

9
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10
Muscular System
  • Three types of muscle tissue
  • Smooth, Cardiac and Skeletal Muscle Tissue
  • ?Cells contract to move something?
  • Smooth works to move blood or food along
  • Cardiacfound in the heart to move blood
  • Skeletalcontracts to move the body around

11
  • Human
  • Muscle
  • Tissues
  • Skeletal Cardiac Smooth

12
Nervous System
  • Brain / Spinal Column / Nerves / Sense
  • Receptors
  • Bodys control system
  • Brain works to control body processes
  • Stimuli is detected addressed with impulses
    that run along pathways

13
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14
Endocrine System
  • Composed of Glands and Hormones
  • Endocrine Glands release Hormones into the blood
  • Hormones reach Target Cells and act to modify or
    change cellular activity

15
  • Hormones are carried
  • in the bloodstream to the
  • places where they are needed

16
Circulatory System (Part 1)
  • Cardiovascular Division
  • heart, arteries, capillaries, veins
  • Blood carries substances to
  • from the bodys tissues
  • Heart Blood pump
  • Arteries and Veins Tubes that carry blood
  • Capillaries Connect arteries to veins
  • Place of Gas Exchange in blood

17
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18
Circulatory System (Part 2)
  • Lymphatic Division
  • ?Excess fluid is taken out of the blood
  • ?Excess fluid is cleaned and returned
  • lymph vessels / lymph nodes / lymph organs (such
    as the spleen, thymus gland tonsils)

19
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20
Respiratory System
  • Respiratory pathway leading to the lungs
  • comprised of Oral Cavity, Nasal Cavity,
    Pharynx, Larynx, Trachea and Bronchi
  • Function? Gas Exchange inside the lungs
  • Oxygen in // Carbon Dioxide out

21
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22
Digestive System
  • Function? Break down food into smaller pieces
  • and deliver nutrients to the body
  • Comprised of
  • Mouth, Pharynx, Esophagus, Stomach and the
  • Intestines (with help from the Liver and Pancreas)

23
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24
Urinary System
  • Comprised of the Kidneys, Ureters, Urinary
    Bladder and Urethra
  • Function? Filter blood through the kidneys and
    eliminate liquid wastes out of the body

25
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26
Reproductive System
  • Function? Continue the human race
  • The sole purpose of the reproductive system is
    to produce new organisms
  • Male? testicles produce sperm
  • Components Penis, Scrotum, Testes
  • Female? ovaries produce eggs
  • Components Ovaries, Uterus, Uterine Tubes,
  • Vagina

27
Human Reproductive anatomy
  • Female Reproductive Male Reproductive
  • Structures Structures

28
Immune System
  • This system functions to defend the body from
    foreign substances (internally)
  • ?White blood cells are very important for
  • protection
  • Viruses and Bacteria can be detrimental to health
  • Antibodies are produced to help fight these

29
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