Proximal - close to the point of origin

      Distal –distant from the point of origin

      Medial - Toward the midline

      Contralateral - On the opposite side of the body

      Ipsilateral - On the same side of the body

      Coronal plane (or frontal plane) - plane that shows brain structures from the front

      Sagittal plane- A plane that shows brain structures from the side

      Horizontal plane (or transverse plane)- A plane that shows brain structures from above

      spinal cord - communicates with all the sense organs and muscles

      Sympathetic nervous system - prepare the organs for a burst of vigorous activity,

      Parasympathetic Nervous system - “rest and digest” -increases digestive activity