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To maintain dynamic equilibrium and effectively carry out certain functions, a system must detect and respond to perturbations. After the detection of a perturbation, a biological system normally responds through negative feedback that stabilize conditions by reducing or increasing the activity of an organ or system. One example is the release of glucagon when sugar levels are too low.
isn't it funny how i just took like 10 minutes to write an essay about my horrible relationship with my mother and it took me a day to write
No Fear Shakespeare puts Shakespeare's language side-by-side with a facing-page translation into modern English—the kind of English people actually speak today.