SE 1 4 Negative Feedback in Thermoregulation RECEPTOR

SE 1 -4 Negative Feedback in Thermoregulation RECEPTOR STIMULUS Slide 1 Information affects Body’s temperature sensors Information affects RECEPTOR Body’s temperature sensors CONTROL CENTER Body temperature falls below 37. 2°C (99°F) Body temperature rises above 37. 2°C (99°F) RESPONSE Increased blood flow to skin Increased sweating Stimulus removed Homeostasis restored Control mechanism when body temperature rises EFFECTOR Negative feedback STIMULUS Blood vessels and sweat glands in skin Control mechanism when body temperature falls Thermoregulatory center in brain Sends commands to RESPONSE Decreased blood flow to skin Decreased sweating Shivering Stimulus removed Homeostasis restored EFFECTOR Blood vessels Negative and sweat glands feedback in skin Skeletal muscles

SE 1 -4 Negative Feedback in Thermoregulation Slide 2 CONTROL CENTER STIMULUS Body temperature rises above 37. 2°C (99°F) Control mechanism when body temperature rises Thermoregulatory center in brain

SE 1 -4 Negative Feedback in Thermoregulation Slide 3 RECEPTOR STIMULUS Body’s temperature sensors Information affects CONTROL CENTER Body temperature rises above 37. 2°C (99°F) Control mechanism when body temperature rises Thermoregulatory center in brain

SE 1 -4 Negative Feedback in Thermoregulation Slide 4 RECEPTOR STIMULUS Body’s temperature sensors Information affects CONTROL CENTER Body temperature rises above 37. 2°C (99°F) Control mechanism when body temperature rises EFFECTOR Blood vessels and sweat glands in skin Thermoregulatory center in brain Sends commands to

SE 1 -4 Negative Feedback in Thermoregulation Slide 5 RECEPTOR STIMULUS Body’s temperature sensors Information affects CONTROL CENTER Body temperature rises above 37. 2°C (99°F) RESPONSE Increased blood flow to skin Increased sweating Stimulus removed Homeostasis restored Control mechanism when body temperature rises EFFECTOR Negative Blood vessels feedback and sweat glands in skin Thermoregulatory center in brain Sends commands to

SE 1 -4 Negative Feedback in Thermoregulation Slide 6 CONTROL CENTER STIMULUS Body temperature falls below 37. 2°C (99°F) Control mechanism when body temperature falls Thermoregulatory center in brain

SE 1 -4 Negative Feedback in Thermoregulation Information affects CONTROL CENTER Slide 7 RECEPTOR Body’s temperature sensors STIMULUS Body temperature falls below 37. 2°C (99°F) Control mechanism when body temperature falls Thermoregulatory center in brain

SE 1 -4 Negative Feedback in Thermoregulation Information affects CONTROL CENTER Slide 8 RECEPTOR Body’s temperature sensors STIMULUS Body temperature falls below 37. 2°C (99°F) Control mechanism when body temperature falls Thermoregulatory EFFECTOR center in brain Blood vessels Sends commands and sweat glands in skin to Skeletal muscles

SE 1 -4 Negative Feedback in Thermoregulation Information affects CONTROL CENTER Slide 9 RECEPTOR Body’s temperature sensors STIMULUS Body temperature falls below 37. 2°C (99°F) Control mechanism when body temperature falls RESPONSE Decreased blood flow to skin Decreased sweating Shivering Stimulus removed Homeostasis restored Thermoregulatory EFFECTOR center in brain Blood vessels Sends Negative commands and sweat glands feedback in skin to Skeletal muscles

SE 1 -4 Negative Feedback in Thermoregulation RECEPTOR STIMULUS Slide 10 Information affects Body’s temperature sensors Information affects RECEPTOR Body’s temperature sensors CONTROL CENTER Body temperature falls below 37. 2°C (99°F) Body temperature rises above 37. 2°C (99°F) RESPONSE Increased blood flow to skin Increased sweating Stimulus removed Homeostasis restored Control mechanism when body temperature rises EFFECTOR Negative feedback STIMULUS Blood vessels and sweat glands in skin Control mechanism when body temperature falls Thermoregulatory center in brain Sends commands to RESPONSE Decreased blood flow to skin Decreased sweating Shivering Stimulus removed Homeostasis restored EFFECTOR Blood vessels Negative and sweat glands feedback in skin Skeletal muscles