intro to anatomy and physiology
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Intro to Anatomy and Physiology. Chapter 1. Hierarchical organization. From the basic building blocks in the smallest level to the most complex in the highest level Each influences the next level. Structure and Function. - PowerPoint PPT PresentationTRANSCRIPT
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Intro to Anatomy and Physiology
Chapter 1
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Hierarchical organization
From the basic building blocks in the smallest level to the most complex in the highest level
Each influences the next level
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Structure and Function
Most importantly, structure and function will come into play multiple times throughout the whole year
Neither can be completely understood without the influences of the other
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Homeostasis
Homeostasis(from Greek: hómoios, "similar", stásis, "standing still”)the property of a system, regulates its internal environment, tends to maintain a stable, constant condition (such as temperature or pH)
Response to environment and changes; essential for survival
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Partner Discussion
• How do you go about determining something is alive?
• Why is something not alive?
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Intro – Living System
• Responsiveness• Growth• Reproduction• Movement• Metabolism
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Science of
Anatomy • STRUCTURE–What happens if a
structure changes its shape?
Physiology• FUNCTION–What will affect an
organism to change its function?
The relationship will be important to predicting either structure or function.
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Levels of Organization
• Chemical• Cellular• Tissue• Organ• Organ System• Organism
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Systems (11)
• Integumentary• Skeletal• Muscular• Nervous• Endocrine• Cardiovascular
• Lymphatic• Respiratory• Digestive• Urinary• Reproductive
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WATCH VIDEO
Living Systems
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Body Systems- from the Outside In
Integumentary System: THE SKIN--Structure: layers of tissue with hair, pores, nerve cells--Function: protection, information gatheringComponents: epidermis, dermis, hair follicles, sebaceous glands, sweat glands, nails, sensory receptors, subcutaneous layer
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Body Systems- from the Outside In
Muscular System: MUSCLES--Structure: cardiac muscle, skeletal muscle, smooth muscle--Function: movement, aids support and bracing
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Body Systems- from the Outside In
Skeletal System: BONES--Structure: bones, cartilage, joints--Function: support and protection, bone marrow=blood cell production site
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Body Systems- from the Outside In
Nervous System: NERVES--Structure: nerves, spinal cord, brain--Function: receive information from environment for bodily reactionComponents: central nervous system (CNS) and peripheral nervous system (PNS)[ [peri-about, around ] i.e. perimeter]]
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Body Systems- from the Outside In
Digestive System: EATING--Structure: entrance and saliva, throat, stomach, intestines, exit--Function: get nutrients out of food for the bodyComponents: salivary glands, pharynx, esophagus, stomach, small intestine, liver, gallbladder, pancreas, large intestine
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Body Systems- from the Outside In
Urinary System: WASTE--Structure: kidneys, ureters, urinary bladder, urethra--Function: sorting, holding, getting rid of waste
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Body Systems- from the Outside In
Cardiovascular System: BLOOD & pumping it--Structure: heart, vessels, blood--Function: move what the body needs within itComponents: veins, arteries, capillaries, blood cells[cardio- heart; vascular- of or related to vessels]
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Body Systems- from the Outside In
Respiratory System: BREATHING--Structure: entrance, throat, lungs--Function: help with performing breathing; exchanging gassesComponents: nasal, cavities, paranasal sinuses, pharynx, larynx, trachea, bronchi, lungs, alveoli
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Body Systems- from the Outside In
Lymphatic System: DEFENSE--Structure: lymphatic vessels, lymph nodes, spleen, thymus--Function: fights infections and diseasesComponents: lymphocytes ( (helper) T-cells)
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Body Systems- from the Outside In
Endocrine System: HORMONES--Structure: glands, kidneys, pancreas, gonads--Function: controls development and long term changes
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Body Systems- from the Outside In
Reproductive System: OFFSPRING--Structure: production site, travel/movement area, exit--Function: create gametes, or bundles of partial characteristics to pass on to offspringComponents:
Male (internal): testes, epididymis, ductus deferens, seminal vesicles, prostate gland, urethra
Female: ovaries, fallopian/ uterine tubes, uterus, vagina