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Homeostasis
| Question | Answer |
|---|---|
| study of normal biological function | Physiology |
| Give examples of Physiology | stimulation of appetite, ingestion of food, digestion and absorption, storage of energy sources, and muscle contraction. |
| a number of organs that perform related functions | system |
| maintaining a dynamic constancy of the internal environment | homeostasis |
| used by the body to compare the normal physiological states with the actual state | set points |
| measure variables such as temperature, pH, oxygen concentration, etc. | sensors |
| where do the signals from the sensors go to be processed? | Integrating center |
| What is the integrating center? | Brain |
| what happens if the deviations are large enough from the sensors? | An effector system is activated to bring the system back to normal. |
| Allows a finer degree of control than what could be achieved by trying one effector on and off. | antagonist effectors |
| Two types of Effectors | Intrinsic, Extrinsic |
| systems built into the organs being regulated | intrinsic |
| systems that are based outside of the organs being regulated | extrinsic |
| released into the blood and bind to receptors on the target tissues | hormones |
| released onto receptors from nerves that innervate the target tissue | neurotransmitters |
Created by:
CountryMomma7
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