Examlex
Given the following compound and its boiling point, identify whether it is polar or nonpolar: Ar, -185.7°C.
Epiglottis
A leaf-shaped flap of cartilage located behind the tongue, which closes over the windpipe during swallowing to prevent food from entering the airways.
Vocal Folds
Vocal folds, also known as vocal cords, are muscular structures in the larynx that vibrate to produce sound when air is expelled from the lungs, facilitating speech and singing.
Vibration Frequency
The number of oscillations per unit of time of a vibrating system, usually measured in hertz (Hz).
Glottis
The opening between the vocal cords in the larynx, involved in producing vocal sounds.
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