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D u r i n g t h i s p e r i o d o f t i m e t h e t e m p e r a t u r e c h a n g e s m o s t f r e q u e n t l y C l i m b i n g c a n m a k e t h e b o d y ' s t e m p e r a t u r e r e g u l a t i o n m e c h a n i s m c o n s t a n t l y i n a s t a t e o f s t r e s s s o a s t o i m p r o v e t h e b o d y ' s a b i l i t y t o a d a p t t o e n v i r o n m e n t a l c h a n g e s .
