3 years ago

Pow! a firecracker explodes close to you. your mouth drops open in surprise, a movement known as:

1 answer:

4 0

When the mouth opens wide and your chin drops, the movement is known as depression movement, which occurs in the <span>temporomandibular joint. This movement occurs naturally when we are surprised or shocked due to a certain event, it is also considered to be a common facial expression.</span>

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