An imaginary plane that divides the head so that the face is one side and the back of the head is the other side is known as a frontal plane. a sagittal plane. a transverse plane. an oblique plane.

The correct answer is- a frontal plane.

Explanation:

The frontal plane or coronal plane that divides the body in ventral and dorsal part. In the frontal plane, the body divides perpendicular to the sagittal plane.

The frontal plane divides the body in such an imaginary manner that the face is one side and the back of the head is another.

Thus, the correct answer is - a frontal plane.

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