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01_07 Thermostat as example of homeostatic mechanism Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or.

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Presentation on theme: "01_07 Thermostat as example of homeostatic mechanism Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or."— Presentation transcript:

1 01_07 Thermostat as example of homeostatic mechanism Slide number: 1 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Control center Thermostat detects deviation from set point and signals effectors. Receptors Thermostat in room detects change. Effectors Heater turns off; air conditioner turns on. Stimulus Room temperature rises above normal. Response Room temperature returns toward set point. too high Normal room temperature too low Stimulus Room temperature Decreases. Response Room temperature returns toward set point. Receptors Thermostat in room detects change. Effectors Heater turns on; air conditioner turns off. Control center Thermostat detects deviation from set point and signals effectors. Thermostat set point.

2 01_07 Thermostat as example of homeostatic mechanism Slide number: 2 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Stimulus Room temperature rises above normal. too high Normal room temperature Thermostat set point.

3 01_07 Thermostat as example of homeostatic mechanism Slide number: 3 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Receptors Thermostat in room detects change. Stimulus Room temperature rises above normal. too high Normal room temperature Thermostat set point.

4 01_07 Thermostat as example of homeostatic mechanism Slide number: 4 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Control center Thermostat detects deviation from set point and signals effectors. Receptors Thermostat in room detects change. Stimulus Room temperature rises above normal. too high Normal room temperature Thermostat set point.

5 01_07 Thermostat as example of homeostatic mechanism Slide number: 5 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Control center Thermostat detects deviation from set point and signals effectors. Receptors Thermostat in room detects change. Effectors Heater turns off; air conditioner turns on. Stimulus Room temperature rises above normal. too high Normal room temperature Thermostat set point.

6 01_07 Thermostat as example of homeostatic mechanism Slide number: 6 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Control center Thermostat detects deviation from set point and signals effectors. Receptors Thermostat in room detects change. Effectors Heater turns off; air conditioner turns on. Stimulus Room temperature rises above normal. Response Room temperature returns toward set point. too high Normal room temperature Thermostat set point.

7 01_07 Thermostat as example of homeostatic mechanism Slide number: 7 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Normal room temperature too low Thermostat set point. Stimulus Room temperature Decreases.

8 01_07 Thermostat as example of homeostatic mechanism Slide number: 8 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Normal room temperature too low Thermostat set point. Stimulus Room temperature Decreases. Receptors Thermostat in room detects change.

9 01_07 Thermostat as example of homeostatic mechanism Slide number: 9 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Normal room temperature too low Thermostat set point. Stimulus Room temperature Decreases. Receptors Thermostat in room detects change. Control center Thermostat detects deviation from set point and signals effectors.

10 01_07 Thermostat as example of homeostatic mechanism Slide number: 10 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Normal room temperature too low Thermostat set point. Stimulus Room temperature Decreases. Effectors Heater turns on; air conditioner turns off. Receptors Thermostat in room detects change. Control center Thermostat detects deviation from set point and signals effectors.

11 01_07 Thermostat as example of homeostatic mechanism Slide number: 11 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Normal room temperature too low Thermostat set point. Stimulus Room temperature Decreases. Response Room temperature returns toward set point. Effectors Heater turns on; air conditioner turns off. Receptors Thermostat in room detects change. Control center Thermostat detects deviation from set point and signals effectors.


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