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Skin Is Very Tough but Extremely Sensitive

question 9

Essay

Skin is very tough but extremely sensitive. Explain how some structures in the skin allow it to withstand a vigorous pinch and tug, while other structures allow it to detect the presence of a mosquito on your arm.


Definitions:

REM Sleep

Rapid Eye Movement sleep, a unique phase of sleep characterized by vivid dreaming and paralysis of motor systems.

Autonomic Changes

Alterations in the involuntary nervous system that regulate bodily functions such as heart rate, digestive processes, and respiratory rate.

Ekman

Refers to Paul Ekman, a psychologist known for his work on the classification of human emotions and their expression through facial gestures.

Behavioral Arousal

The process of becoming alert or energized in response to stimuli, which can influence behavior.

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