Stimulus Sends signal to hypothlamus Thermoreceptors Blood vessels constrict and sweat glands are inactive Above Normal Hypothalamus Direct response to stimulus Normal body temperature 36° -37°C Normal Body Temperature Normal body temperature 360 – 37°C Direct response to stimulus damus Pe Blood vessels dilate and sweat glands secrete Below Normal Stimulus Thermoreceptors Sends signal to hypothlamus Most animals including humans maintain their body temperature at a certain level. For humans this temperature is somewhere between 36-37 °C. Figure 1 Representation of the Temperature Regulation System in the Human Body Your body temperature may deviate from the ideal levels depending on the environmental conditions or your physical activity level. For instance, when you exercise, your body temperature will increase due to increased energy If your body temperature is above normal, blood vessels dilate and sweat glands increases sweat production. Dilation of blood vessels fills them with warm blood, and you lose heat to the environment through your skin. Sweating also damps heat to the environment by evaporation. As a result, your body temperature returns to normal levels. generation in your cells and similarly in a cold weather you will lose heat to the environment and your body temperature will decrease. When this happens, thermoreceptors found on your skin send signals to your hypothalamus. Hypothalamus responds by sending signals to your dermal blood vessels (blood vessels found right under your skin) and sweat glands. If your body temperature is below normal level, blood vessels constrict and sweat production is stopped. Heat loss is prevented, and body temperature returns to normal. For the given biological system identify the reference input, controller, actuator, plant, sensor, disturbance input, manipulated input, and controlled output.
Stimulus Sends signal to hypothlamus Thermoreceptors Blood vessels constrict and sweat glands are inactive Above Normal Hypothalamus Direct response to stimulus Normal body temperature 36° -37°C Normal Body Temperature Normal body temperature 360 – 37°C Direct response to stimulus damus Pe Blood vessels dilate and sweat glands secrete Below Normal Stimulus Thermoreceptors Sends signal to hypothlamus Most animals including humans maintain their body temperature at a certain level. For humans this temperature is somewhere between 36-37 °C. Figure 1 Representation of the Temperature Regulation System in the Human Body Your body temperature may deviate from the ideal levels depending on the environmental conditions or your physical activity level. For instance, when you exercise, your body temperature will increase due to increased energy If your body temperature is above normal, blood vessels dilate and sweat glands increases sweat production. Dilation of blood vessels fills them with warm blood, and you lose heat to the environment through your skin. Sweating also damps heat to the environment by evaporation. As a result, your body temperature returns to normal levels. generation in your cells and similarly in a cold weather you will lose heat to the environment and your body temperature will decrease. When this happens, thermoreceptors found on your skin send signals to your hypothalamus. Hypothalamus responds by sending signals to your dermal blood vessels (blood vessels found right under your skin) and sweat glands. If your body temperature is below normal level, blood vessels constrict and sweat production is stopped. Heat loss is prevented, and body temperature returns to normal. For the given biological system identify the reference input, controller, actuator, plant, sensor, disturbance input, manipulated input, and controlled output.
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.82P: Discuss the modes of heat transfer that determine the equilibrium temperature of the space shuttle...
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