The suprachiasmatic nucleus of the __________ serves as the human internal alarm clock,responding to changes in light that trigger us to sleep or wake up.
A) cerebellum
B) thalamus
C) cerebrum
D) hypothalamus

Question

Quizplus · Accepted Answer

The suprachiasmatic nucleus (SCN) is a tiny structure located in the hypothalamus of the brain, which is responsible for regulating our circadian rhythms, including sleep and wake cycles. The hypothalamus works with the connected pituitary gland to control various bodily functions, including hormone production, body temperature, and hunger. The cerebellum is responsible for balance, coordination, and movement; the thalamus is known as a relay station for sensory information, and the cerebrum is responsible for higher-order functions such as thinking, reasoning, and consciousness.

The Suprachiasmatic Nucleus of the __________ Serves as the Human