Answer:
1. An effector changes physiological variables in order to restore and maintain homeostasis.
2. A sensor senses changes in physiological variables.
3. A(n) integrating response synthesizes information coming in from many sensory pathways and sends out the proper response.
4. A response results from changes in organ activity. it can cause a change in the original stimulus.
5. An input signal delivers information about environmental stimuli from the periphery to the control center.
6. An output signal will deliver a chemical that will affect the target organ/effector. it can be carried out by a neuron, or a classic hormone released into the blood