Examlex
Which one of the following scientists first built and operated devices that could emit and detect man-made electromagnetic radiation?
Subliminal Movements
Movements that occur below the threshold of conscious awareness, often too minor or rapid to be noticed.
Larynx
The larynx, commonly known as the voice box, is an organ in the upper airway involved in breathing, producing sound, and protecting the trachea against food aspiration.
Psyche
Synonym for mind; an entity once proposed to be the source of human behavior.
Behavior
The actions or reactions of an organism, often in response to external stimuli.
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