The _______________ System Divides Compass Directions into Four Quadrant of 90°

question 36

Essay

The _______________ system divides compass directions into four quadrant of 90° (N, E, S, W), each numbered by directions in degrees away from either north or south.

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Definitions:

Slow-Wave Sleep

The deep sleep phase characterized by slow brain waves, minimal body movement, and diminished responsiveness to external stimuli, critical for restorative sleep.

Insomnia

A condition causing trouble with falling asleep, maintaining sleep, or achieving refreshing sleep.

Slow-Wave Sleep

A deep stage of sleep characterized by slow brain waves, known for its role in restorative sleep functions.

REM Sleep

A phase of sleep characterized by rapid eye movements, vivid dreaming, and increased brain activity.