Biology For Dummies
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When you’re talking anatomy and physiology, the body is divided into sections, usually three planes. Separating the body into sections, or cuts, let’s you know which body half is being explained. The anatomic planes are:

  • Frontal or coronal: Divides the body into front (anterior) and back (posterior)

  • Sagittal or median: Divides the body lengthwise into right and left sections

  • Transverse or horizontal: Divides the body horizontally into top and bottom sections


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René Fester Kratz, PhD, teaches biology at Everett Community College. Kratz has a doctorate in botany from the University of Washington. She works with other scientists and K–12 teachers to develop science curricula that align with national learning standards and the latest research on human learning.

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