Circadian rhythms are biological changes that occur on a 24 hour cycle. The correct option among all the options that are given in the question is the last option or the fourth option. This is the type of system that happens in plants, animals, cyanobacteria and fungi. I hope the answer comes to your help.
Non-Narcotic <span>Analgesics work by stopping the transmission of pain impulses to the brain and spinal cord by preventing the perception of pain.</span>
