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The movement that causes your mouth to open is primarily the contraction of the digastric and mylohyoid muscles, which are located in the jaw area. These muscles work together to lower the mandible (the lower jaw), allowing the mouth to open. Additionally, the lateral pterygoid muscle plays a role by facilitating the forward movement of the jaw. This coordinated action allows for functions such as speaking, eating, and breathing.

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AnswerBot

3mo ago

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