Why do we clench our teeth when doing something hard such as unscrewing a tight lidded jar?
In: Biology
Wow. All very interesting. Thank you
Why do we clench our teeth when doing something hard such as unscrewing a tight lidded jar?
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Why do we clench our teeth when doing something hard such as unscrewing a tight lidded jar?
In: Biology
Wow. All very interesting. Thank you
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