Feedback Systems from Human Biology:....

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Feedback Systems

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Body responds to a change, or stimulus.

Negative feedback: response opposes stimulus.
Positive feedback: response increases stimulus (eg. labour, breast feeding).

Feedback Loop:

Stimulus: Change in the environment that causes the system to operate.
Receptor: Detects the change
Modulator: Control centre responsible for processing information recieved from receptor, and for sending information to effector.
Effector: Carries out response counteracting effect of stimulus.
Feedback: Achieved because original stimulus has been changed by response.

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Other flashcards from Human Biology: Control of the Human Body
Organisation of the body Cellular Processes Interdependence of cells Homeostasis Feedback Systems Neurons Types of Neurons Motor Neuron Sensory Neuron Connector Neuron Nature of the Nerve Impulse The Central Nervous System The Brain The Brain Stem The Diencephalon The Cerebellum The Cerebrum The Spinal Cord The Peripheral Nervous System Spinal Reflexes