Examlex
If a guitar string has a fundamental frequency of 500 Hz,which one of the following frequencies can set the string into resonant vibration?
Stratum Corneum
The outermost layer of the epidermis, comprised of dead cells that provide a barrier against the external environment.
Eccrine Sweat Glands
Sweat glands that produce a water-based secretion, helping to cool the body through evaporation of sweat.
Negative Feedback Loop
A regulatory mechanism in which a 'stimulus' causes an 'output' action that in turn diminishes or stops the original stimulus.
Arrector Pili Muscles
Small muscles attached to hair follicles that cause hair to stand upright (as in "goosebumps") in response to cold or fear.
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