Examlex
What is the invisible primary?
Shivering
An involuntary response to cold temperatures, producing heat through rapid muscle contractions to maintain body temperature.
Negative Feedback System
A regulatory system in which a change in some steady state triggers a response that counteracts, or reverses, the change, restoring homeostasis (e.g., how mammals maintain body temperature). Compare with positive feedback system.
Integrator
In homeostasis, a control center.
Effector
(1) A muscle or gland that contracts or secretes in direct response to nerve impulses. (2) In homeostasis, an organ or process that helps restore a steady state.
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