Physiology Human body has rhythmic fluctuations in their function on a circadian cycle. Circadian rhythm is controlled by: A Suprachiasmatic nuclei B Median eminence C Paramedian nuclei D Supraoptic nuclei 💡 Explanation Human body has rhythmic fluctuations in their function on a circadian cycle. Circadian rhythm is controlled by: ✓ Correct Answer: A. Suprachiasmatic nuclei