Freezing Food and Then Using a Vacuum to Draw Off

question 19

Short Answer

Freezing food and then using a vacuum to draw off the ice crystals is called (dehydration/lyophilization/sublimation).

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Definitions:

REM

Rapid Eye Movement, a distinct phase of sleep associated with vivid dreaming and increased brain activity.

Sleep Spindles

Bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of NREM sleep, implicated in sleep maintenance and memory consolidation.

Stage 2 Sleep

A phase of sleep characterized by specific brain wave patterns including sleep spindles and K-complexes, representing a deeper sleep than stage 1.

EEG Activity

The recording of electrical activity along the scalp produced by the firing of neurons within the brain, typically referred to as electroencephalography.