KINE 3012 Final: Physiology II study notes for final exam Includes all concepts from all chapters.

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From one cell to many (embryo to adult) there is differentiation which means specialization (complexity) in all tissues, organs, and cells Specialization requires communication to maintain whole body function, your body coordinates these functions by: the brain sends commands (hormones (blood), neurotransmitters (nerves)) the brain receives info (feedback) through regulation of in/out and is adaptable to changes. Homeostasis is maintaining a relatively constant internal environment: temperature, blood glucose, blood pressure. Sensitivity of the detector (receptor) determines the range of oscillation, some effectors have very specific effects, others more general, local homeostatic mechanisms do not involve the integrating centre, antagonistic effectors improve responsiveness. A set point is the desired physiological value, the hierarchy of importance determines which variables have priority. The steady state is the normal range of values above/below the set point and requires energy to maintain. An error signal is any deviation from the set point.

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