Answer :
The correct order of elements in a control system is stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
The control center establishes the variable's normal range. The control center sends signals to effectors in response to changes in the stimulus all of this receives from the sensor in order to maintain homeostasis.
The thing that needs to be controlled is the stimulus or the physiological variable that changes. A value that varies or changes is referred to as a variable broadly.
The cell, tissue, or organ that detects a change in a stimuli or physiological variable is known as a sensor or sensory receptor. The cell, tissue, or organ that reacts to signals from the control center is known as an effector.
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The correct option is d) stimulus, receptor, afferent pathway, control center, efferent pathway, effector, The correct order of elements in a control system is stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response. Each component plays a specific role in maintaining homeostasis.
The correct order of elements in a control system is:
- Stimulus
- Receptor
- Afferent pathway
- Control center
- Efferent pathway
- Effector
- Response
Therefore, the correct option is d) stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response.
To explain this further:
- Stimulus: A change in the environment that is detected by a receptor.
- Receptor: The site within the body that detects or receives the stimulus.
- Afferent pathway: The pathway through which the signal is sent to the control center.
- Control center: The operational point at which the signals are received, analyzed, and an appropriate response is determined.
- Efferent pathway: The pathway through which the signal is sent from the control center to the effector.
- Effector: The body site where a response is generated to counter the stimulus.
- Response: The action that restores homeostasis.
Thus the correct option is d) stimulus, receptor, afferent pathway, control center, efferent pathway, effector, response
