Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
A. Additionally, it plays a crucial role in meticulously regulating the body's thermoregulatory processes and the precise timing of hormone secretion, ensuring that these essential physiological functions occur in harmony with the body's internal rhythms.
B. The scientific investigation of this phenomenon is formally recognised as chronobiology, an interdisciplinary field that seeks to elucidate the intricate mechanisms underlying the biological temporal organisation of living organisms.
C. Every living creature possesses an innate, complex time-keeping system that orchestrates and synchronises its various physiological and behavioural activities with remarkable precision, effectively functioning as an internal biological chronometre.
D. While some researchers refer to this internal time-keeping mechanism as the biological clock, others prefer the term circadian clock, highlighting its role in generating and regulating the body's endogenous rhythms that oscillate over a roughly 24-hour cycle.
E. This internal temporal regulator informs both humans and animals when to awaken and initiate daily activities, when to succumb to sleep and enter a state of repose, and when to modulate psychological and physiological processes to accommodate periods of heightened or diminished activity.