IN­NER WORK­INGS OF CLOCKS

World of Animals - - Animal Clocks -

En­doge­nous pace­mak­ers, or ‘in­ter­nal time­keep­ers’, drive bi­o­log­i­cal clocks, while out­side sources make ad­just­ments. The brain in­ter­prets the in­com­ing in­for­ma­tion to pro­duce chem­i­cals that keep the clock tick­ing. The hor­mone mela­tonin is one of them, and it reg­u­lates the sleep-wake cy­cle in hu­mans and an­i­mals and plays a role in plant oxy­gen

bal­ance too.

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