Skip to content

Menu

Game modes

Account

← Nervous System
GK QUESTION#3820

Which part of the human brain is chiefly responsible for maintaining and regulating the body’s circadian rhythm or sleep–wake cycle?

  1. AMedulla oblongata
  2. BThalamus
  3. CHypothalamusCorrect answer
  4. DCerebellum
Show AnswerHide Answer

Answer

C. Hypothalamus

Show ExplanationHide Explanation

Explanation

The suprachiasmatic nucleus of the hypothalamus is the principal circadian pacemaker. It coordinates daily rhythms, including the sleep–wake cycle, using information about light and other signals.

Sign in to report a question issue

Explore this topic

In the nervous system of animals, a chemical process occurring at the dendrite end of a neuron results…What is the primary function of the fluid-filled cushioning inside the skull in safeguarding the brain?The nervous tissue of the body mainly consists of a well-organised network of which specialised cells responsible for…