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What is the name given to the imaginary vertical line dividing the body equally into right and left halves?   a. mid-sagittal   b. sagittal   c. oblique   d. median

The _____ is a grove at each end of the line of closure of the mouth.

Select the name(s) given to the shallow and curving groove below the medial corner of the eyelids.   a. interciliary sulci   b. oblique palpebral sulcus   c. superior palpebral sulcus   d. inferior palpebral sulcus

Due to its actions, the _____ muscle is colloquially known as the frown muscle.

The _____ muscle raises the upper eyelid.

This muscle depresses the skin of the forehead inferiorly at the medial end of the eyebrows and wrinkles in a transverse and vertical form the glabellar skin.

Identify the name given to the vertical furrows of the lips extending from within the mucous membranes into the integumentary lips.  These furrows are developed by the orbicularis oris muscle.

The _____ system covers, shapes, and support the _____.   a. skeletal   b. muscular   c. skeleton   d. myocyte

The _____ suture fuses both parietal bones to each other.

The _____ muscle is a sphincter that surrounds the eye socket, and assists in the closing of the eyelids.