The Body's Circadian Rhythm Is Regulated by the

question 20

Multiple Choice

The body's circadian rhythm is regulated by the

• A) pituitary gland.
• B) hypothalamus.
• C) pineal body.
• D) adrenal glands.

---

Definitions:

Demography

The scientific study of population characteristics, including size, growth, density, distribution, and trends.

Phobic Disorder

An anxiety disorder characterized by excessive and persistent fear of a specific object, situation, or activity, leading to avoidance behavior.

Generalised Anxiety Disorder

A chronic disorder characterized by excessive, long-lasting anxiety and worry about nonspecific life events, objects, and situations.

Obsessive-Compulsive Disorder

A mental disorder characterized by repetitive, unwanted thoughts (obsessions) and irrational, excessive urges to do certain actions (compulsions).