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Yawning often feels involuntary—it’s triggered by the same part of the brain as sneezing, Sullivan says. But the difference is, a yawn can be controlled from “the top down” if you think ...
A yawn is a reflex in vertebrate animals characterized by a long inspiratory phase with gradual mouth gaping, followed by a brief climax (or acme) with muscle stretching, and a rapid expiratory phase with muscle relaxation, which typically lasts a few seconds.
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328 participants were asked to watch a three-minute video of people yawning and to keep track of how many times they yawned. Of the 328 participants, 222 contagiously yawned.
The song occurs in the chalk-drawing outing animated sequence, just after Mary Poppins wins a horse race.Flush with her victory, she is immediately surrounded by reporters who pepper her with questions and suggest that she is at a loss for words.
Frequent yawning. Fatigue. Difficulty sleeping. Sensitivity to light or sound. Difficulty reading or speaking. ... And, while it can feel lonely when you're in the midst of an attack, it's a good ...
The lower limit of the hot working temperature is determined by its recrystallization temperature. As a guideline, the lower limit of the hot working temperature of a material is 60% its melting temperature (on an absolute temperature scale). The upper limit for hot working is determined by various factors, such as: excessive oxidation, grain ...
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