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____ have a body temperature similar to that of their surroundings.
Paul Ekman
An American psychologist known for his work on the facial expressions of emotions and their correlation with human feelings.
Sympathy
Feelings of pity and sorrow for someone else's misfortune.
Behavioural Expression
The outward display or manifestation of an individual's behavior, including verbal and non-verbal communications, gestures, and actions.
Innate
Possessed from birth; inherent or natural characteristics not gained through experience.
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