The Sleep-Wake Cycle Is Ultimately Controlled by the Part of the Brain

question 121

Multiple Choice

The sleep-wake cycle is ultimately controlled by the part of the brain called the ________.

• A)optical nerve
• B)frontal lobe
• C)hypothalamus
• D)median forebrain bundle

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Definitions:

Oxytocin

A hormone and neurotransmitter involved in childbirth and lactation, also playing a role in social bonding and behavior.

Calcitonin

A hormone produced by the thyroid gland that helps regulate calcium levels in the blood.

Kidneys

Pair of bean-shaped organs located in the back of the abdomen that filter waste products from the blood and excrete them as urine.

Collecting Ducts

A network of tubules and ducts that function in the kidney to transport urine from the nephrons to the renal pelvis.