Examlex
How many protons are in an isotope of sodium with a mass number of 25?
Beta Waves
Brainwave patterns associated with active, alert state of mind, characteristic of waking consciousness.
REM Sleep
A sleep phase characterized by rapid eye movement, during which dreams often occur, and the body experiences decreased muscle tone.
Dreaming
A collection of mental images, ideas, and emotional experiences that happen during sleep.
Brain Waves
The rhythmic or repetitive patterns of neural activity in the brain, measurable by electroencephalography (EEG).
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