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13 Cards in this Set

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