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The neck makes the connection between the head and the torso. The neck is made up of attachments from many muscles. The neck region contains many vital structures and organs that help regulate and maintain homeostasis of the body but most importantly, the impulses and regulation from the main control center of the body. The neck is a very complex region of the body, and one of the most critical structures in the neck are the common carotids. The common carotids serve as one of the major blood supply to the head that originates from direct projection from the aorta. Along with the common carotid giving rise to blood flow to the head and brain from its branches, the common carotid also contains vital sensory organs that help control/regulate the blood pressure through the number of impulses using the autonomic nervous system. The protection of the structures in the anterior neck, such as the airway, esophagus, blood vessels, and nerves are from the anterior neck muscles. These neck muscles protect these vital structures, but they also help support the head and influence facial expression and mastication.