Every Form of Life Is Either a Single Cell or Is

question 22

True/False

Every form of life is either a single cell or is composed of cells.

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Definitions:

Serotonin

A neurotransmitter in the brain that regulates mood, appetite, and sleep, among other functions, and is associated with feelings of well-being and happiness.

Polysomnography

A comprehensive sleep study used to diagnose sleep disorders, monitoring brain, heart, lung, and muscle activity during sleep.

Restless Legs Syndrome

A neurologic disorder characterized by an uncontrollable urge to move the legs, usually due to an uncomfortable sensation; typically occurs during periods of inactivity or at night.

Obstructive Sleep Apnea (OSA)

A disorder characterized by repetitive episodes of blocked breathing during sleep, often resulting in reduced oxygen levels.