Anatomy
Study of the structure & shape of the human body. |
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Gross Anatomy |
Microscopic Anatomy |
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- Study of body structures visible to the naked eye. |
- Study of body structures using a microscope |
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- AKA Macroscopic Anatomy |
- Structures to small to see with the naked eye |
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EX: Surface Anatomy |
EX: Cytology |
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Physiology
Study of processes/functions of the body, how anatomical parts work, what they do and why they do it. |
Levels of Structural Organization
Chemical |
Interactions and combinations of atoms |
Cellular |
Combinations of molecules forming cells |
Tissues |
Similar cells working together to preform a similar function |
Organs |
Several different types of tissues that work together to preform a similar task |
System |
Several organs that each have a specific function in the overall activity of a body system |
Organismal |
All body systems |
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Major Organ Systems of the Body
11 major systems that all work together to sustain life. |
Integumentary |
Skin, accessory organs (hair, nails, sweat glands, sebaceous glands) |
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Covers and protects tissues, regulates body temperature |
Skeletal |
Bones and associated cartilage |
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Protects and supports organs |
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Forms blood cells |
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Stores minerals |
Muscular |
Skeletal, smooth and cardiac muscle |
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Produces movement |
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Provides body heat |
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Maintains posture |
Nervous |
Brain, spinal cord, associated nerves |
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Coordinates body activities through rapid activation of muscles and glands |
Endocrine |
Ductless glands that secrete hormones |
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Regulates metabolism and chemical reactions |
Cardiovascular |
Heart and Blood vessels |
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Transports nutrients, gases and other substances |
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Provides a medium for disease control |
Lymphatic/Immune |
Lymphatic vessels and lymph nodes |
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Returns extra cellular fluid to the blodd |
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Defends against disease |
Respiratory |
Lungs and tubes that bring air to and from the lungs |
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Breaks down and absorbs nutrients |
Urinary |
Kidneys, ureters, urinary bladder, urethra |
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Removes metabolic wastes |
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Regulates fluid levels |
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Regulated acid-base levels |
Reproductive |
(Male) Testes, glands, ducts, penis |
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(Female) Ovaries, ducts, uterus, vagina |
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Survival of the human species |
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