Physiology 2130 Study Guide - Midterm Guide: Electrochemical Gradient, Axon Hillock, Facilitated Diffusion

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The study of the normal functioning of a living organism and its component parts. Cells tissues stomach organ system human. The cells in a multicellular organism play a critical role in the survival of the organism as a whole. The internal and external environment of the body. Homeostasis regulatory process: temperature, humidity, stress, adrenaline, blood sugar, calcium levels, sodium levels, insulin, blood ph etc. Ability of the body to maintain a relative constant in internal environment a dynamic, self. Normal blood glucose is 4-6mmol/l before a meal. A feedback loop is designed to keep your body at or near a set point. A change in a controlled variable like body temperature triggers a response that drives the variable in the opposite direction. Feedback control systems: positive feedback control, negative feedback control. What are the components of a negative feedback loop: variable and its set point, sensor, control centre and effector. On average, 60% of an adult"s weight is water.