Can an organism function with a faulty organ system?

All of the organ systems of the body work together to maintain homeostasis of the organism. If homeostasis fails, death or disease may result.

Explanation:

Homeostasis is the ability to maintain a relatively stable internal state that persists despite changes in the world outside. All living organisms, from plants to puppies to people, must regulate their internal environment to process energy and ultimately survive

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

true, i don't really know what you're asking but from the info you provided im guessing the answer is true.