Which of the Following Is an Action of the Orbicularis

question 28

Multiple Choice

Which of the following is an action of the orbicularis oris?

• A)closes the mouth
• B)opens the mouth
• C)compresses the cheeks against the teeth
• D)elevates the upper lip

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Definitions:

Thoracic Region

The part of the body that is located between the neck and the abdomen, housing the heart and lungs among other vital organs.

True Ribs

The first seven pairs of ribs, which are directly attached to the sternum via costal cartilages.

Vertebral Curves

The natural curvatures in the spine that help absorb shock and maintain balance in the human body.

Flexibility

The ability to move joints through their full range of motion; important in fitness, wellness, and preventing injuries.