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13 Cards in this Set
- Front
- Back
Definition of Anatomy
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Study of internal and external structures of the body, physical relationships among body parts.
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Definition of Physiology
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Study of functions. How organisms perform vital functions.
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Definition of Gross Anatomy
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Can be seen with the naked eye.
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Definition of Microscopic Anatomy
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Cannot be seen without a microscope.
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Relationship between form and function
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Functional limits are imposed by the internal structure.
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Definition of Homeostasis
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Maintaining of stable internal environment
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Homeostasis mechanism part 1
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Receptors. Stimulus (Change occurs in internal environment.)
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Homeostasis Mechanism Part 2
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Control center. Set point. (Change is compared to set point.)
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Homeostasis Mechanism Part 3
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Effectors. Respond to the command by opposing the stimulus.
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Negative feedback summary
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Prevents sudden, severe changes in body. Corrects the set point. Causes opposite of bodily disruption to occur. Most common type of feedback loop.
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Negative Feedback Examples
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Body temperature, blood pressure, glucose. Anything that makes the stimulus stop and tries to correct it.
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Positive feedback Summary
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Increases (accelerates) the actions of the body. Short-lived. Do not require continuous adjustments.
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Positive Feedback Examples
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Blood clotting. Child Birth. Increases the stimulus
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